Solving Proportions and Similar Figures

What is true about the sides of similar figures?

• Corresponding sides are proportional.

• Corresponding sides are congruent.

• Opposite sides are proportional.

• Opposite sides are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is true about the shape and size of similar figures?

• Same shape and same size

• Same shape and not the same size

• Different shape and same size

• Different shape and not the same size

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The _________tells us how many times larger or smaller a figure is from the original.

• Scale factor

• Angle

• Side lengths

• Units

Tags

CCSS.7.G.A.1

For the pair of similar figures, find the length of each side marked with a variable.

• 8 in

• 1 in

• 9.8 in

• 9.3 in

Solve for a

• 29/12

• 41/12

• 107/12

• 13

Tags

CCSS.7.EE.B.4A

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Tags

CCSS.HSG.SRT.A.2

What is the scale factor from the large triangle to the small triangle? ( so it's a reduction)

• 1/2

• 2/3

• 3/4

• 2

Tags

CCSS.7.G.A.1

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

Tags

CCSS.7.G.A.1

These figures are similar. Solve for x.

• 100

• 143

• 4

• 95

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Click to see image.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.A.2