CPM Geometry Chapter 7

Solve for x.

• 14

• 8

• 7/4

• 4

Are the two triangles similar?

• Yes, by AA~

• Not similar

• Yes, by SAS~

• Yes, by SSS~

Solve for x.

• 21.6

• 9

• 10.8

• 12

Solve for x.

• 3

• 5

• 4

• 6

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Sides in similar figures must be proportional.  

• True
• False 

Find the perimeter of the large triangle. (First find the missing side length)

• 24
• 36
• 12
• 54

Find the area of the triangle.

• 96 in²

• 48 in²

• 20 in²

What scale factor was used to produce the image?

• 1
• 7
• 18
• 49

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor r = 2.

• (2,4.5)
• (-8,-18)
• (8,18)
• (9,4)