幾何
三角形、圓、解析幾何與證明題。
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question 2 which point is collinear with a and d? both point b and poin…
Neither point B nor point C
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check for understanding: defining points, lines, and planes not graded …
False
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write an expression to represent the change in vertical distance from (…
$y - 5$
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find the slope of line p. now, record the y - coordinate of point a. we…
10
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find the missing side length. assume that all intersecting sides meet a…
14 yards
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which equation can be used to solve for x? 11x - 6 = 71 7x - 6 = 71 2x …
The equation to solve is \(11x - 6 = 71\) and \(x=\boxed{7}\)
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10) 1) 3) 15) 17) 12) 14) 16) 18)
\(x = 5\sqrt{3}\), \(y = 5\)
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drag the vertices of $\\triangle ijk$ to form a scalene obtuse triangle.
A valid scalene obtuse triangle is formed when one internal angle of $\triangle IJK$ is greater than $90^\circ$, and all three side lengths are distinct. For example, drag vertex …
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drag the vertices of $\\triangle hij$ to form an isosceles acute triang…
A valid isosceles acute (non-equilateral) $\triangle HIJ$ will have exactly two congruent sides, and all three internal angles will measure between $0^\circ$ and $90^\circ$. One e…
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answer scalene acute\t\tscalene obtuse isosceles right\t\tequilateral i…
Scalene Obtuse
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answer isosceles obtuse scalene obtuse scalene right isosceles right sc…
Isosceles Acute
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connect to language 1 write the numbers. 1. how many inches are there o…
12
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answer scalene right scalene obtuse isosceles obtuse isosceles acute sc…
Isosceles Right
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deltamath back to home delta #20 due january 25 at 11:39 pm grade: 0% i…
Scalene Acute
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answer isosceles right \t\tscalene right scalene obtuse \t\tequilateral…
Scalene Right
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how can you find the area of any parallelogram?
To find the area of a parallelogram, use the formula \( A = bh \), where \( b \) is the length of the base and \( h \) is the height (the perpendicular distance between the two pa…
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one pair of angles that form a linear pair one pair of angles that are …
∠1 and ∠4 (or other valid pairs like ∠2 and ∠3, ∠5 and ∠8, ∠6 and ∠7) ### (ii) Linear Pair
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graph the image of trapezoid jklm after a dilation with a scale factor …
The dilated trapezoid \(J'K'L'M'\) has vertices at \(J'(-10, -5)\), \(K'(0, -5)\), \(L'(10, 10)\), and \(M'(-10, 10)\). To graph it, plot these points and connect them in order.
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find the circumference and the area of a circle with radius 8 ft. use t…
Circumference: \( 50.24 \) ft Area: \( 200.96 \) \( \text{ft}^2 \)
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which defines a line segment in the ray below? options: \\(\\overline{b…
$\boldsymbol{\overline{BC}}$
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graph the image of rectangle stuv after a dilation with a scale factor …
The dilated rectangle has vertices at \( S'(-2, 1) \), \( T'(2, 1) \), \( U'(2, 2) \), and \( V'(-2, 2) \). (To graph, plot these points and connect them in order.)
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question segment (overline{bd}) bisects (angle abc). solve for (x). rou…
\( 20.8 \)
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segment \\( \\overline{bd} \\) bisects \\( \\angle abc \\). solve for \…
\( 15.8 \)
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given lines l, m, and n are parallel and cut by two transversal lines, …
$27.2$
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find the equation of the line perpendicular to the given line and passi…
$3x - 2y = 13$
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given lines l, m, and n are parallel and cut by two transversal lines, …
$11.3$
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given lines l, m, and n are parallel and cut by two transversal lines, …
$18.6$
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question in the diagram below, (overline{pq}) is parallel to (overline{…
\( 7.5 \)
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what is the area of this figure? provide an answer accurate to the near…
358.0 square inches
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write the equation of the line parallel to the given line and passing t…
$2x - 3y = -14$
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question solve for x. round your answer to the nearest tenth if necessa…
\( \boxed{27.9} \)
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what is the area of this figure? provide an answer accurate to the near…
69.5 in²
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use the figure below to answer the following questions. what is the val…
33
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find the slope of the line passing through the pair of points, and draw…
0 *Graph note: This is a horizontal line passing through $y=-2$, crossing the points $(-6,-2)$ and $(3,-2)$.*
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what is the area of this figure? provide an answer accurate to the near…
69.0 square inches
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question in the diagram below, \\( \\overline{tu} \\) is parallel to \\…
\( 12 \)
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what is the area of this figure? provide an answer accurate to the near…
940.5 m²
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question in the diagram below of triangle pqr, s is the midpoint of \\(…
\( 26 \)
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question in the diagram below of triangle uvw, x is the midpoint of (ov…
\( 56 \)
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triangle pqr is formed by connecting the midpoints of the side of trian…
\( \boxed{4} \) Wait, no, wait, maybe I messed up. Wait, the length of \( MN \) is 12, so \( PQ \) is half of \( MN \), which is 6. Oh! I see my mistake. The midsegment connects m…
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given ( m parallel n ), find the value of ( x ).
$115$
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trigonometric double angle identities verifying an identity the followi…
Distributive Property, Pythagorean Identity, Double Angle Identity (matching the option with this order).
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what is the area of this figure? provide an answer accurate to the near…
1170.0 $\text{m}^2$
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what is the area of this figure? provide an answer accurate to the near…
$1147.5\ \text{m}^2$
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triangular trade triangular trade was a system of exchange in the colon…
A. Africa ### Second Question:
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triangular trade which continent can be considered the most vital part …
A. Africa ### Second Question:
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11. the diagram shows a dilation with center a and scale factor 1.5 tha…
Both Henry and Sara have valid, correct explanations for why $\triangle ABC \sim \triangle AB'C'$. Henry relies on the defining property of dilations (they produce similar figures…
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solve and match the solution set solve the following inequalities (use …
B. ←──────────●───→ (with the filled dot at -2, arrow pointing left) C. ←───────○────────→ (with the open dot at 7, arrow pointing right) A. ←───────○────────→ (with the open dot …
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(a) assuming the roof, windows, and door require no stucco, what is the…
\( 1199\) square feet ### Part (b)
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triangle opq is formed by connecting the midpoints of the side of trian…
The perimeter of triangle \( LMN \) is \( \boldsymbol{20} \).
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mom about all the imaginary creatures we had discover jabbering didnt a…
She is having trouble seeing clearly because of the leaves and shadows.
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área de un rectángulo para hallar el área de un rectángulo, multiplica …
a. $198\ \text{cm}^2$ b. $98\ \text{ft}^2$ c. $144\ \text{km}^2$ d. $240\ \text{in}^2$ e. $144\ \text{mm}^2$ f. $150\ \text{mi}^2$ Reto: $270\ \text{m}^2$
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use the figure below for problems 16 - 17 question 16 1 pts determine t…
Question 16: $\boldsymbol{50^\circ}$ Question 17: $\boldsymbol{40^\circ}$
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the figure that results from a transformation is called the image. figu…
the same length
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find the area of each figure. 1. 2. 3. 4. 5. 6. find the area of the sh…
1. $\boldsymbol{24\ \text{m}^2}$ 2. $\boldsymbol{28\ \text{m}^2}$ 3. $\boldsymbol{18\ \text{m}^2}$ 4. $\boldsymbol{68\ \text{in}^2}$ 5. $\boldsymbol{119\ \text{in}^2}$ 6. $\boldsy…
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what is the term for a transformation that flips a figure over a line? …
B. reflection ### Second Question:
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the new shark tank at the city aquarium is in the shape of a rectangula…
\( 1740 \) cubic yards ### Part (b)
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what is the term for a transformation that changes the size of a figure…
B. dilation ### Second Question: (Assuming original coordinates of point A are \((-3, 3)\) as a common case for such problems, since dilating by factor 3: multiply each coordinate…
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10. (02.01 mc) triangle abc has been translated to create triangle abc.…
$\boldsymbol{m\angle A' = 63^\circ}$
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9. (02.01 lc) which transformation represents a reflection over the x -…
$\boldsymbol{(x,y) \to (x,-y)}$
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look at each starting figure and how each figure is transformed. which …
The shape of the figure, The size of the figure
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8. (02.01 mc) a triangle has vertices at b(-3, 0), c(2, -1), d(-1, 2). …
$\boldsymbol{(x, y) \to (-x, y) \to (x+1, y+1)}$
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7. (02.01 hc) triangle ghi is translated using the rule ((x, y) \to (x …
They are parallel and congruent.
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circle the correct answer. how does the focus of this account differ fr…
A. Instead of telling the cause of global warming, it explains an effect.
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use the tools below to construct a triangle with angle measures of 25°,…
A triangle with angle measures \(25^\circ\), \(25^\circ\), and \(130^\circ\) is possible (so we would construct it, not click "No triangle possible").
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7. find the area and perimeter of the shape. (the triangle has sides 4 …
### For shape 6: Area = $12$ cm² Perimeter = $15.2$ cm ### For shape 7: Area = $7$ cm² Perimeter = $12.2$ cm
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6. (02.01 mc) pentagon abcde and pentagon abcde are shown on the coordi…
Translated according to the rule $(x, y) \to (x + 8, y + 2)$ and reflected across the x-axis
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match each term to the transformation it describes. rotation reflection…
First box (left): Translation Second box (middle): Reflection Third box (right): Rotation
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5. (02.01 mc) what set of reflections would carry hexagon abcdef onto i…
B. y = x, x-axis, y = x, y-axis
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which figure is a rotation of figure a? figure b figure c figure d
B. Figure B
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the construction crew for a new house will dig a hole in the shape of a…
\( 330 \) cubic yards ### Part (b)
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write the coordinates of the vertices after a dilation with a scale fac…
The coordinates after dilation are \( J'(-9, 3) \), \( K'(-9, 6) \), and \( L'(-6, 6) \).
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justin built a compost bin in the shape of a rectangular prism. the bin…
\( 165888 \) ### Part (b)
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use the figure below for problems 16-17 question 16 1 pts determine the…
$55^\circ$
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9. an isosceles triangle has the equal side lengths of 16 cm and a base…
$68.0^{\circ}$
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triangle abc was dilated by 50%. what is the relationship between ac an…
D. \(\frac{1}{2}(AC) = A'C'\)
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which figure is a translation of figure a? figure b figure c figure d
Figure B
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the black triangle is a dilation of the blue triangle. what is the scal…
A. $\frac{1}{3}$
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find the scale factor of the line segment dilation. \\(overline{ab}\\):…
C. 2
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the triangle shown in the diagram is going to be dilated by a scale fac…
A. 1
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9. which statement does not demonstrate the corollary to the triangle e…
$m\angle CDE > m\angle BED$ (the last option)
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the green parallelogram is a dilation of the black parallelogram. what …
A. \(\frac{1}{3}\)
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6. to construct the incenter to the triangle below, a compass was place…
Place the compass on $\angle T$ (the option with "Place the compass on $\angle T$" text)
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if rectangle defg is dilated by a scale factor of 3 with a dilation cen…
C. (-6, -3)
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lines p and x are parallel. what is the slope of line x? slope of line …
The slope of line \( x \) is \(\frac{5}{4}\), so the numerator is 5.
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the black square is a dilation of the blue square. what is the scale fa…
C. 3
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which figure is a rotation of figure a? (i) figure b (ii) figure c (iii…
D. Figure D
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which rule yields the dilation of the figure bcde centered at the origi…
B. \((x, y) \to (0.5x, 0.5y)\)
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how can you describe the transformation? slide flip turn
Turn
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triangle abc has been transformed into triangle abc. the algebraic form…
C. \((x', y') = (2x, 2y)\)
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rectangle tuvw is on a coordinate plane at t (a, b), u (a + 2, b + 2), …
1
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various dilations of square a are shown. which square was obtained by d…
D. Square E
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which statement explains how the lines $2x + y = 4$ and $y = \\frac{1}{…
B. They are perpendicular.
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which triangle defined by the given points on the coordinate plane is s…
D. \((-1, 1), (-1, 5), (-7, 1)\)
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subject/verb agreement read each sentence. circle the action word in pa…
play ### Question 2:
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which statement is true for the given triangles? a the triangles are si…
A. The triangles are similar because the ratios of the corresponding sides are the same.
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quadrilateral abcd has coordinates a (3, 1), b (4, 4), c (7, 5), d (6, …
D. rhombus, because all four sides are congruent and adjacent sides are not perpendicular
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subject/verb agreement read each sentence. circle the action word in pa…
play ### 2.
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how could you use coordinate geometry to prove that \\(\\overline{bc}\\…
A. Prove the slopes are the same.
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similarity and transformations which sequence of transformations will s…
B. A 90° clockwise rotation about the origin, then a dilation with a center at the origin and a scale factor of 2. ### Second Question (Transformations for Similarity vs. Congruen…