Math 7A Chapter 11 Review

If m∠5 = 78°, find m∠2.

• 12°

• 78°

• 87°

• 102°

Tags

CCSS.8.G.A.5

Angles L and M are complementary. If m∠L = (x + 2)° and m∠M = (x - 6)°, what is the value of x?

• 35

• 47

• 92

• 139

Tags

CCSS.7.G.B.5

What is the measure of the 3rd angle in a triangle if the sum of the other 2 angles is 110°?

• 50°

• 70°

• 80°

• 110°

Tags

CCSS.8.G.A.5

In ∆ABC, m∠A = 38° and m∠B = 74°. What is m∠C?

• 44°

• 68°

• 76°

• 112°

Tags

CCSS.8.G.A.5

What is the measure of each interior angle of a regular pentagon?

• 50°

• 72°

• 108°

• 130°

Which of the following figures is not a polygon?

• A

• B

• C

• D

Tags

CCSS.2.G.A.1

What are the coordinates of the image of ∆MNP if translated 1 unit left and 2 units down?

• M'(-5,-2); N'(-3,-1); P'(-5,2)

• M'(0,2); N'(1,3); P'(0,5)

• M'(0,-2); N'(-1,1); P'(0,2)

• M'(-1,2); N'(0,-2); P'(1,2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆DFG has vertices D(0,-2),F(-4,-3),G(-4,0). Where is G' if rotated 180° about vertex D?

• (4, -4)

• (0, -4)

• (-4, 4)

• (4, 0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆ABC was dilated to form ∆A'B'C'.What scale factor was used to dilate the triangle?

• -2

• 2

Tags

CCSS.8.G.A.3

A photo software program enlarges a photo that is 4x6in to 9x13.5in. What is the scale factor?

• 2

• 2.25

• 5

• 7.5

Tags

CCSS.7.G.A.1