几何
三角形、圆、解析几何与证明题。
-
the area of the trapezoid is 9 square centimeters. what is the trapezoi…
3
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of \(S\) are \((-8,0)\), of \(P\) are \((4,-4)\), of \(Q\) are \((8,-4)\), and of \(R\) are \((8,0)\)
-
the area of the trapezoid is 27 square centimeters. what is the trapezo…
3
-
what is the area of the trapezoid? 0.9 ft. 1.2 ft. 1.1 ft. 0.5 ft. squa…
$0.77$
-
what is the area of the trapezoid? 11 cm 15 cm 17 cm 19 cm square centi…
225
-
write the coordinates of the vertices after a dilation with a scale fac…
$S'(-8,-8),T'(0,-8),U'(8,8),V'(-8,8)$
-
what is the area of the trapezoid? 6 mm 4 mm 3 mm 2 mm square millimete…
12
-
what is the area of the trapezoid? 3 yd. 6 yd. 7 yd. 7 yd. square yards
30
-
14. if this rectangle has a perimeter of 84, then what is the area? x -…
185
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of the vertices are $E(-2,0)$, $F(-2,-\frac{10}{3})$, $G(\frac{4}{3},-\frac{10}{3})$, $H(\frac{4}{3},0)$
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of \(E\) are \((0,-2)\), of \(F\) are \((\frac{8}{3},-2)\), of \(G\) are \((\frac{8}{3},1)\), and of \(H\) are \((0,1)\).
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of the vertices are \(S'(-2,0)\), \(T'(-1,2)\), \(U'(-1,0)\), \(R'(-2,-2)\)
-
write the coordinates of the vertices after a dilation with a scale fac…
$Q'(-8,-8)$, $R'(-8,8)$, $S'(8,-8)$
-
the sum of the base and the height of a triangle is 14 cm. find the dim…
The triangle with maximum area has a height of $7$ cm and a base of $7$ cm.
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of $R$ are $(-2,-2)$, of $S$ are $(-2,2)$ and of $T$ are $(0,-2)$.
-
write the coordinates of the vertices after a dilation with a scale fac…
The coordinates of \(K\) after dilation are \((-4,4)\), the coordinates of \(L\) after dilation are \((4,4)\), and the coordinates of \(M\) after dilation are \((-2,3)\).
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of the vertices are \(B'(-2,0)\), \(C'(-2,1)\), \(D'(2,1)\), \(E'(2,0)\)
-
formulas 1 meter = 100 centimeters 1 kilogram = 1000 grams 1 kilometer …
| Meters | Centimeters | | ---- | ---- | | 1 | 100 | | 2 | 200 | | 5 | 500 | | 8 | 800 | | 10 | 1000 | The value of the underlined 9 is 10 times as many as the circled 9. 245,134 …
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of \(C\) are \((0, - 2)\), of \(D\) are \((-\frac{4}{3},-\frac{2}{3})\), of \(E\) are \((-\frac{8}{3},-2)\), and of \(B\) are \((-2,-\frac{8}{3})\).
-
#s 13 - 20 use the triangle angle sum theorem and your understanding of…
Problem 13: \(x = 10\), Angle \(A = 75^{\circ}\) Problem 14: \(x=\frac{85}{9}\), Angle \(A=\frac{76}{3}\approx25.33^{\circ}\) Problem 15: \(x=-4\), Angle \(A = 55^{\circ}\) Proble…
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of \(C\) are \((0, - 2)\), the new coordinates of \(D\) are \((-\frac{4}{3},-1)\), and the new coordinates of \(E\) are \((-\frac{8}{3},-2)\) (assuming the ori…
-
write the coordinates of the vertices after a dilation with a scale fac…
The coordinates of \(B'\) are \((-\frac{4}{3},-\frac{8}{3})\), the coordinates of \(C'\) are \((\frac{2}{3},-2)\), the coordinates of \(D'\) are \((-\frac{2}{3},-1)\), and the coo…
-
shown clearly and neatly. x = ____ 22) y = ____ (8x - 10)° (6y + 20)° 7…
\(x = 10\), \(y=\frac{25}{3}\)
-
the worlds largest ball of twine was made by a farmer who lived in darw…
$509.66$
-
write the coordinates of the vertices after a dilation with a scale fac…
B$(-10,-10)$, C$(-10,0)$, D$(10,0)$, E$(10,-10)$
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of the vertices are \(P(0,-2)\), \(Q(0,1)\), \(R(1,1)\), \(S(1,-2)\)
-
4.6 surface area and volume of spheres on july 16, 1882 a massive thund…
$2570.35$
-
write the coordinates of the vertices after a dilation with a scale fac…
The new coordinates of the vertices are \(T(-2,-2)\), \(W(-2,-1)\), \(V(2,-1)\), \(U(2,-2)\)
-
write the coordinates of the vertices after a dilation with a scale fac…
The coordinates of $U$ after dilation are $(-5,-10)$, the coordinates of $V$ after dilation are $(-5,10)$, and the coordinates of $W$ after dilation are $(5,-10)$.
-
50. how many edges, vertices, and faces does a tetrahedron have? 1.7
Edges: 6, Vertices: 4, Faces: 4
-
the triangle on the right is a scaled copy of the triangle on the left.…
$\frac{3}{2}$
-
the moons radius is about 1080 miles. the earths radius is about 3960 m…
surface area of earth = $196940640$ mi² surface area of moon = $14515776$ mi²
-
the square on the right is a scaled copy of the square on the left. ide…
4
-
the triangle on the right is a scaled copy of the triangle on the left.…
$\frac{1}{3}$
-
find the volume of the rectangular prism below measured in cm.
$96$ $cm^{3}$
-
a four - sided figure is resized to create a scaled copy. the lengths o…
$\frac{1}{4}$
-
a four - sided figure is resized to create a scaled copy. the lengths o…
$\frac{1}{7}$
-
find the length of side $x$ in simplest radical form with a rational de…
$4\sqrt{3}$
-
1. define eccentricity:
In mathematics, eccentricity is a measure that describes the deviation of a conic - section from being circular. For an ellipse, $0<e<1$; for a parabola, $e = 1$; for a hyperbola,…
-
4.8 surface area and volume of spheres the moons radius is about 1080 m…
surface area of earth = $196960896$ mi² surface area of moon = $14649984$ mi²
-
the triangle below is equilateral. find the length of side x in simples…
\(\frac{11}{2}\)
-
4.8 surface area and volume of spheres julie thinks that if you double …
No, she is not correct. When the radius of a sphere is doubled, the surface area becomes 4 times the original, not 2 times, as shown by the surface - area formula $A = 4\pi r^{2}$.
-
the triangle below is isosceles. find the length of side $x$ in simples…
$4\sqrt{2}$
-
given m||n, find the value of x. (3x - 28)° (x + 2)°
\(x = 15\)
-
3. describe the difference between a circle and an ellipse (make sure t…
A circle has one center (a single - focus equivalent in a sense) with all points at equal distance from it. An ellipse has two foci, and the sum of the distances from any point on…
-
given m||n, find the value of x.
\(x = 27\)
-
point a on the coordinate plane is translated to point a, as shown. wha…
\(h=-1,k=-5\)
-
vocabulary and core concept check 1. vocabulary if a point, ray, line, …
If it intersects at the mid - point, it bisects the segment; otherwise, it divides the segment into two sub - segments. 2. **Brief Explanation**: The distance formula between two …
-
4 find the value of y. (8y - 13)° (3x + 4)° (10x - 19)° a) 12 rihanna b…
C. 16
-
figure 1 and figure 2 below are congruent. which point corresponds to p…
Point \(T\)
-
figure 1 and figure 2 below are congruent. which angle corresponds to a…
Angle N
-
build a venn diagram. • use the names of the sets to label the regions.…
The Venn - diagram should have a large circle labeled "Rational numbers" with a smaller circle labeled "Integers" inside it and an even smaller circle labeled "Whole numbers" insi…
-
are the triangles congruent? why or why not? o yes, all the angles of e…
Yes, they are congruent by either ASA or AAS.
-
find the perimeter of the triangle. round your answer to the nearest hu…
10.24
-
a circle has a diameter of 22 mm. what is its circumference? use 3.14 f…
$69.08$ mm
-
determine the center and radius of the following circle and sketch the …
The center of the circle is $(-3,-4)$ and the radius $r = 5$.
-
what is the value of x? choose the correct answer below. a. 102 b. 106 …
A. 102
-
anna is making a square pen for her rabbit to play in. each side of the…
D. 81 square feet
-
3 from unit 1, lesson 6 consider this diagram. to construct a line pass…
3. D. Construct a line through point $C$ perpendicular to line $CD$. 4. A common mistake could be that the arcs drawn from point $C$ to intersect line $l$ are not of equal radius …
-
select the correct answer from each drop - down menu. the hexagonal sea…
Each side of the hexagon is about 15 ft long. The area of the seating section is about 585 \(ft^{2}\). The area of the entrance is about 0 \(ft^{2}\) (negligible). The area of the…
-
question 4 score: 0 of 1 point one line goes through the points (3,2) a…
C. neither
-
what is the slope of this line? simplify your answer and write it as a …
# Explicación paso a paso: ## Paso 1: Elegir dos puntos en la línea Tomamos los puntos $(0, 0)$ y $(6, 4)$. ## Paso 2: Aplicar la fórmula de la pendiente La fórmula de la pendient…
-
score: 0 of 1 point find the midpoint of the line segment from (-4, -3)…
D. $(-3,-\frac{7}{2})$
-
which value of x will make ab perpendicular to cd? a) 6 b) 9 c) 11 d) 13
B. 9
-
what are the values of x, y, and z? x = , y = , and z = (simplify your …
\(x = 69\), \(y = 76\), \(z = 76\)
-
finish the turtle without using triangles. topic 14 | lesson 5 digital …
Use circles for eyes, rectangles or ovals for head and tail to finish the turtle.
-
line m has a slope of $\frac{4}{5}$. line n is parallel to line m. what…
$\frac{4}{5}$
-
line $m$ has a slope of $\frac{4}{5}$. line $n$ is parallel to line $m$…
$\frac{4}{5}$
-
numeric 3 points. using the ruler postulate, find the distance between …
6
-
1 which of these statements is true? a all rectangles are regular polyg…
1. B. All squares are regular polygons. 2. The circle is constructed to ensure that one of the sides of the square (\(AC\)) has the same length as the given side (\(AB\)) since al…
-
line p passes through points (1, 15) and (7, 10). line q is parallel to…
# Explicación: ## Paso 1: Identificar la fórmula de la pendiente La fórmula de la pendiente $m$ entre dos puntos $(x_1,y_1)$ y $(x_2,y_2)$ es $m=\frac{y_2 - y_1}{x_2 - x_1}$. ## P…
-
6. if (mangle cdf=(3x + 14)^{circ}), (mangle fde=(5x - 2)^{circ}), and …
$x = 15$ $m\angle CDF=59^{\circ}$ $m\angle FDE=73^{\circ}$ $m\angle CDE=132^{\circ}$ ### Problem 7 Let $m\angle NMP=x$. Then $m\angle LMP=x + 11$. Since $\angle LMP+\angle NMP=\an…
-
two angles are complementary. the measure of the larger angle is 14 les…
The measure of the smaller angle is 26 degrees and the measure of the larger angle is 64 degrees.
-
line q has a slope of $\frac{9}{9}$, line r has a slope of $\frac{9}{9}…
# Explicación: ## Paso 1: Recuerda la condición para líneas paralelas Dos líneas son paralelas si tienen la misma pendiente. ## Paso 2: Compara las pendientes La pendiente de la l…
-
find the standard equation of the parabola shown in the figure.
\(y=\frac{1}{8}(x + 2)^2-1\)
-
the points on a line can be matched one - to - one with the real number…
9
-
find the standard equation of the parabola shown in the figure.
$y=-\frac{2}{3}(x - 3)^2+6$
-
8 from unit 1, lesson 2 here is a diagram. starting with two marked poi…
8. 1. Place the compass on point $A$, set its width to $AB$, and draw a circle. 2. Place the compass on point $B$, set its width to $AB$, and draw a circle. The two circles inters…
-
use the given endpoint a and midpoint m of line segment ab to find the …
$y = 67$
-
the surface area of the solid shown is 432 square inches and its volume…
The surface - area is 432 square inches and the volume is 576 cubic inches.
-
summarize and paraphrase circle the letter of the best answer. 1. what …
1. C 2. D 3. A 4. B 5. B 6. (To be done on separate paper) 7. (To be done on separate paper)
-
charlette is wrapping several presents for a holiday party. her wrappin…
15.5
-
use the given endpoint r and mid - point m of line segment rs to find t…
-1
-
identify the slope and y - intercept of the line aphed on the coordinat…
$m=-5$, $b = 5$
-
18. what is the value of x? ans. 19. name a pair of vertical angles. a)…
18. \(37\) 19. a) \(\angle COB\) and \(\angle AOD\)
-
16. find the value of x. ans. 17. what is the measure of angle y? ans.
16. 118 17. 65
-
this plane shape is a it has ______ sides and ______ vertices it has __…
This plane shape is a quadrilateral. It has 4 sides and 4 vertices.
-
18. in the diagram, △mtd≅△slg. which statement is true? (overline{lg}co…
$\overline{LG}\cong\overline{TD}$
-
15. name the relationship between <a and <b (select 2) a) supplementary…
b) complementary, c) adjacent
-
14. given: ∠d≅∠t, ∠e≅∠u, eo≅ux name the postulate or theorem you can us…
D. AAS Theorem
-
13. describes two lines, segments, or rays that form right angles with …
13. a) perpendicular 14. d) bisector
-
11. supplementary angles add up to how many degrees? ans. ________ 12. …
11. 180 12. c) 120
-
9. complementary angles add up to how many degrees? ans. 10. a point th…
9. 90 10. B. midpoint
-
7. two non - overlapping angles that share one ray are called ____. a) …
7. c) adjacent angles 8. b) vertical angles
-
5. a ___ is a portion of a line that has a starting point and extends f…
5. a) ray 6. b) False
-
13. from the diagram, what can you conclude about △cad? it is an equian…
It is an isosceles triangle.
-
4 numeric 1 point m∠2 = answer
# Explicación: ## Paso 1: Identificar triángulo isósceles El triángulo tiene dos lados iguales (señales de igualdad en los lados), entonces es isósceles. En un triángulo isósceles…
-
from unit 1, lesson 3 line segment cd in the following diagram is the p…
4. No. Just because $CD$ is the perpendicular bisector of $AB$ does not imply that $AB$ is the perpendicular bisector of $CD$. 5. a. No. A straightedge can only draw straight line…
-
12 in the figure, $\triangle ghfcong\triangle ehd$. which statement is …
$\angle HDE\cong\angle HFG$
-
3 numeric 1 point find y. answer
# Explicación: ## Paso 1: Identificar el triángulo isósceles El triángulo KLM es isósceles, lo que significa que los ángulos opuestos a los lados iguales son iguales. Entonces, el…