Geometrie
Dreiecke, Kreise, Koordinatengeometrie und Beweisaufgaben.
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8. the endpoints of the diameter of a circle are m(-3, 5) and n(9, 7). …
a) $(3,6)$ b) $\sqrt{37}$ 9. Yes, the triangle is isosceles.
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this question has two parts. first, answer part a. then, answer part b.…
Part A: The algebraic expression for the perimeter of the rectangle is $4w + 6$. Part B: Solving $30=4w + 6$ for $w$, the width is found to be $6$ cm. The sum of all four sides, $…
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question point q is on line segment $overline{pr}$. given $pr = 16$ and…
$12$
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identifying functions independent practice name date pd students were a…
Charlotte, Nathan, Orlando
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what is the relationship between the corresponding side lengths of the …
$D'E'$ is $2$ times as $DE$. $E'F'$ is $2$ times as $EF$.
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ariana uses a flag in a shadow play. when the flag moves closer to the …
The figures are the same shape, but not the same size.
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multiple answer 1 point a triangle has a line of symmetry. select all c…
Two sides of the triangle have the same length. Two angles of the triangle have the same measure.
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this question has two parts. first, answer part a. then, answer part b.…
Part A: triangle perimeter: 18 units area: 12 units²
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a triangle has sides with lengths of 28 centimeters, 96 centimeters, an…
yes
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this question has two parts. first, answer part a. then, answer part b.…
Part A: triangle perimeter: 12 units area: 6 units²
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a triangle has sides with lengths of 36 yards, 55 yards, and 64 yards. …
no
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10. a collector bought a rare coin for $30. the coin is now valued at $…
A. The scenario represents a percent increase. D. The percent of change was 25%. ### 11.
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a triangle has sides with lengths of 9 centimeters, 12 centimeters, and…
yes
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track a 400 - meter olympic - size track can be modeled with a rectangl…
c. 398 m d. 32 cm
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5) the diagram shows a right - triangle and three squares. the area of …
a) 12 & 43; The side - lengths of the squares with areas 12 and 43 are \(\sqrt{12}=2\sqrt{3}\) and \(\sqrt{43}\) respectively.
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a triangle has sides with lengths of 36 feet, 74 feet, and 85 feet. is …
no
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a triangle has sides with lengths of 39 yards, 86 yards, and 89 yards. …
yes
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scale 1 inch : 6 feet what is the actual area of the dining room? bluep…
252
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a triangle has sides with lengths of 41 miles, 86 miles, and 90 miles. …
no
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a triangle has sides with lengths of 12 millimeters, 35 millimeters, an…
yes
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a triangle has sides with lengths of 21 miles, 60 miles, and 67 miles. …
no
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question point m is on line segment $overline{ln}$. given $ln = 20$ and…
$13$
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a triangle has sides with lengths of 27 yards, 36 yards, and 45 yards. …
yes
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a triangle has sides with lengths of 6 kilometers, 15 kilometers, and 2…
no
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3) the diagram shows a right - triangle and three squares. the area of …
(a) The side - lengths are $\sqrt{6}$, $\sqrt{30}$, and 6. (b) The side - lengths are $2\sqrt{2}$, $2\sqrt{7}$, and 6.
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ty uses a sailboat in a shadow play. when the sailboat moves closer to …
It changes position. Its vertices move along the rays. It changes size.
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which angle number represents an angle vertical to ∠lrk? answer attempt…
$4$
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find the center and radius of the circle $x^{2}+y^{2}+6y - 7 = 0$ the c…
The center is $(0,-3)$ The radius is $4$
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this question has two parts. first, answer part a. then, answer part b.…
a. 398 b. In part a, I assumed that there was no space between the field and the **inner - most** of the track. I also assumed that the athlete's body was **centered on the border…
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scale: 1 inch : 3 miles. what is the actual area of the lake? actual ar…
$40.5$
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which angle number represents an angle vertical to ∠lrk? answer attempt…
4
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which angle number represents an angle vertical to ∠bgc? answer attempt…
\(2\)
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which angle number represents the linear pair of ∠tyw? answer attempt 1…
5
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scale: 1 inch : 4 miles what is the actual area of the town? blueprint …
56
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question which angle number represents an angle vertical to ∠bgc?
\(\angle 6\)
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scale: 1 inch : 4 feet. what is the actual area of the living room? blu…
240
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sometimes reflecting a point over m has the same effect as rotating the…
A. Point A B. Point B E. Point E
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scale: 1 inch : 3 feet. what is the actual area of the bedroom? bluepri…
108
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pool eight - ball pool is a popular game played on a pool table that ha…
a. $57.3$ b. $4.2$
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if m∠vyu = 93°, then what is m∠tyw?
$93^{\circ}$
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if m∠dhe = 82°, then what is m∠dhf? answer attempt 1 out of 2 m∠dhf =
$98$
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find the actual area of the gym. scale: 1 inch : 9 feet scale squared: …
$4212$
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which angle number represents an angle vertical to ∠uxr? answer attempt…
$1$
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students were asked to create a representation of y as a function of x.…
TEN
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which angle number represents the linear pair of ∠psl? answer attempt 1…
5
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apply the properties of exponents to answer 11 - 13. 11. three students…
Caleb is correct.
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which angle number represents an angle adjacent to ∠rxu? answer attempt…
3
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if m∠krl = 58°, then what is m∠krm? answer attempt 1 out of 2 m∠krm =
$58^{\circ}$
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you start at (-5, 4). you move down 6 units and up 6 units. where do yo…
(-5, 4)
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you start at (-5, 4). you move down 6 units and up 6 units. where do yo…
(-5, 4)
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you start at (5, -5). you move left 8 units. where do you end?
$(-3,-5)$
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point i is on line segment $overline{hj}$. given $ij = 8$ and $hi = 2$,…
$10$
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write the standard form of the equation of the circle described below. …
$(x - 5)^2+(y + 7)^2=25$
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in problems 12 - 18, radii, diameters, and chords of ⊙o are shown. stat…
1. \(m\angle1 = 110^{\circ}\) 2. \(m\angle1 = 45^{\circ}\) 3. \(m\angle1 = 64^{\circ}\) 4. \(m\angle1 = 47^{\circ}\) 5. \(m\angle1 = 137^{\circ}\) 6. \(m\angle1 = 112^{\circ}\) 7.…
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this is a 45 - 45 - 90 triangle. what is the measure of x? x = ?√
$x = 4\sqrt{2}$
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estimate the measure of this angle within 10°. submit
30
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determine the value of x in each diagram. (a) (b) (c) (d)
a. \(x = 33\) b. \(x = 18\) c. \(x = 30\) d. \(x = 14\)
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this is a 30 - 60 - 90 triangle. what is the measure of x? x = ?
$9$
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practice example 1 1. find the measures of two supplementary angles if …
The two angles are \(107.5^{\circ}\) and \(72.5^{\circ}\) 2.
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estimate the measure of this angle within 10°.
60°
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1) evaluate: a) -3 + (-2) b) 2 + (-3) c) -8 + 8 d) -6 - 4 e) (-4)-(-3) …
1. a) -5; b) -1; c) 0; d) -10; e) -1; f) -4; g) -2; h) -6; i) -8; j) 4; k) -15; l) -21 2. Option 2: 4 - 3 - (-4) 3. -1°C
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the equation of a circle is given in standard form. complete parts a th…
a) The center of the circle is $(3,-7)$. The radius is $4$. b) (Sketching the circle requires a graph - drawing tool. The center is at the point $(3,-7)$ and the radius is 4 units…
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select the correct choice that completes the following sentence. the me…
The slope.
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these two triangles are similar. what is the measure of x?
$20$
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in the figure below, m∠1 = 98° and m∠2 = 54°. find m∠qpr. m∠qpr = °
208°
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these two triangles are similar. what is the measure of x? 20 8 x 6 x =…
$15$
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find the midpoint of the line segment joining points a and b. a(3, - 1)…
$(3,\frac{1}{2})$
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which of the following is not a true statement? choose the incorrect st…
B. The equation, \(x^{2}+4y^{2}-8x + 12y + 5=0\), represents a circle in general form.
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which sentence from \the world on turtles back\ best illustrates why th…
The woman placed the dirt on Turtle's back and performed a ritual to create the earth.
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a model of a building is constructed using a scale of 1 inch : 4.5 feet…
54
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find the y coordinates of the points that are 5 units away from the poi…
0,6
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a model robot uses the scale 1 inch : 2 feet. if the model robot is 5 i…
10
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look at the diagram and evaluate. which of the statements below is true…
CD > EF
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find the distance d(a,b) between points a and b. a(3,3); b(-2,-1) d(a,b…
$\sqrt{41}$
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read this excerpt from the world on turtles back. the birds of the sea …
B. felt compassion for the woman because she was scared.
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look at the diagram and evaluate. which of the statements below is fals…
MN < LM
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look at the diagram and evaluate. which of the statements below is fals…
$CD = DE$
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look at the diagram and evaluate. which of the statements below is fals…
OP = PQ
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based on the areas of the squares, determine whether the triangle shown…
The side - lengths of the triangle are $a=\sqrt{58}$, $b=\sqrt{10}$, and $c = 8$. The triangle is not a right - triangle.
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list the side lengths from shortest to longest for each diagram. ① ②
a. \(l,k,m\) b. \(o,c,b,d,e\)
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translate figure a 8 units to the left to form figure a. then reflect f…
Yes, figure A is congruent to figure A'' because translations and reflections are rigid motions which preserve the shape and size (side - lengths and angle - measures) of the figu…
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style re - read lines 206 - 211, and circle repeated words. then, under…
The writing style is likely vivid and imaginative, with possible use of figurative language and emphasis through word - repetition to create a vivid picture of pterodactyls.
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reflect △def across the y - axis. then rotate △def 90° counterclockwise…
D''(-3, 1), E''(0, 1), F''(0, 5)
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the graph shows an ellipse. write its equation in standard form.
\(\frac{x^{2}}{36}+\frac{(y + 6)^{2}}{4}=1\)
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each pair of figures is similar. find the missing side. 1) 2) 3) 4) 5) …
1. 5 2. 18 3. 3 4. 24 5. 9 6. 8 7. 12 8. 16
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8. find the measure of each angle. ca cc 8.ee.7, 8.ee.7b, 8.g.5
\(m\angle E = 41^{\circ}\), \(m\angle F = 41^{\circ}\)
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the graph shows an ellipse. write its equation in standard form.
$\frac{(x - 3)^2}{9}+\frac{(y - 4)^2}{4}=1$
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ca cc 8.ee.7, 8.ee.7b, 8.g.5 find the measure of each angle. 8. m∠e = m…
For \(\triangle DEF\): \(m\angle E = 41^{\circ}\) \(m\angle F = 41^{\circ}\) For \(\triangle GHJ\): \(m\angle G = 75^{\circ}\) \(m\angle H = 60^{\circ}\) \(m\angle J = 45^{\circ}\)
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which angles are congruent to ∠7 select all the correct answers a ∠5 b …
A. ∠5
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the rectangle below has an area of $x^{2}-16$ square meters and a width…
$x - 4$
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the graph shows an ellipse. write its equation in standard form.
\(\frac{(x + 4)^2}{4}+\frac{(y + 7)^2}{9}=1\)
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5 reflect across the y - axis. translate 5 units up. rotate 90° clockwi…
The final position of the triangle is obtained by applying the above - mentioned transformation rules to each of its vertices. Without the actual coordinates of points $P$, $Q$, a…
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which pair of squares have equivalent areas shaded? choose 1 answer:
A. The first pair of squares have equivalent shaded areas.
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assignment: page 135 determine the measure of the unknown angle in each…
(a) $65^{\circ}$ (b) $34^{\circ}$ (c) $116^{\circ}$ (d) $58^{\circ}$
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style re - read lines 206 - 211, and circle repeated words. then, under…
The style could be described as vivid and imaginative if there are rich descriptions and creative language use; it could be repetitive if there are many repeated words that contri…
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which pair of hexagons have equivalent areas shaded? choose 1 answer:
B. The pair of hexagons in option B have equivalent areas shaded.
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3 translate 2 units right and 4 units down. rotate 180° around the orig…
The new - coordinates of the vertices of the polygon after translation and rotation are $H''(4,0)$, $I''(0,0)$, $J''(0,2)$, $K''(2,2)$, $L''(2,0)$
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sample answer: joes mountain had a rise of 1200 and a run of 1500, maki…
Joe's mountain had a rise of 1200 and a run of 1500. The slope of Joe's mountain was 4/5. Bob's mountain had a rise of 900 and a run of 1000. The slope of Bob's mountain was 9/10.…
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mountain climber joe climbed to a mountain peak that was 1200 feet abov…
Bob climbed a steeper mountain because the slope of the mountain Bob climbed ($0.9$) is greater than the slope of the mountain Joe climbed ($0.48$).
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for help with question 4, see example 3. 4. find the length of the medi…
\(\sqrt{13}\)