Proportionality and Similar Shapes

Figure ABCD is similar to figure WXYZ. Which proportion must be true for these figures?

Tags

CCSS.HSG.SRT.A.2

Triangle JKL is similar to triangle MNO. What is the perimeter of triangle MNO?

• 9 in

• 27 in

• 20 in

• 11 in

Trapezoid FGHI is similar to trapezoid KLMN. What is the length of GH?

• 8.5 in

• 7in

• 6.75 in

• 5.5 in

Tags

CCSS.HSG.SRT.A.2

The rectangle below is dilated by a scale factor of 3.6 to create a new rectangle. Which of the following could be the dimensions of the new rectangle?

• 14.4 cm x 5.4 cm

• 5.4 cm x 7.2 cm

• 7.2 cm x 1.8 cm

• 14.4 cm x 7.2 cm

Tags

CCSS.8.G.A.3

Similar Figures corresponding sides are proportional.

Tags

CCSS.HSG.SRT.A.2

All corresponding sides are proportional in similar figures.

• True

• False

Tags

7.5.A

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.A.2

Sides in similar figures must be proportional.  

• True

• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

All corresponding sides are proportional (same ratio) in similar figures.

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

• A
• B
• C
• D

Tags

CCSS.HSG.SRT.A.2