Unit 3 Geometry Review (IM)

Look carefully at the figure. What is the measure of A'B'C'?

• 40 degrees

• 75 degrees

• 45 degrees

• 70 degrees

Tags

CCSS.7.G.B.5

Which pair of polygons is definitely similar?

• 
• 
• 
• 

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Solve the proportion. x = ___

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the value of a?

• 1.25

• 1.5

• 1.875

• 2

Tags

CCSS.7.G.A.2

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Which is the best definition of similarity?

• If two figures have congruent corresponding angles, they are similar.

• If two figures have proportional side lengths, they are similar.

• If there's a sequence of rigid transformations that take one figure to another, they are similar.

• If there's a sequence of rigid transformations and dilations that take one figure to another, they are similar.

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. The lengths of the sides of DEF are shown. What is the length of BC?

• 8

• 12

• 15

• 18

• 40 degrees

• 60 degrees

• 65 degrees

• 75 degrees

Tags

CCSS.7.G.B.5

Right angle ABC is taken by a dilation with center P and scale factor 1/3 to angle A'B'C'. What is the measure of angle A'B'C'?

• 90 degrees

• 60 degrees

• 30 degrees

• 180 degrees

A polygon has perimeter 24. It is dilated with a scale factor of k and the resulting image has a perimeter of 18. What is the scale factor?

• 4/3

• 3/4

• 2/3

• 3/2

If the perimeter of triangle MNL is 24 units, what is the perimeter of triangle CBA?