Similar Triangles, Ratio, Proportion

Determine whether the triangles are similar or not. If so, state how they are similar.

• Yes, by AA Similarity

• Yes, by SAS Similarity

• Yes, by SSS Similarity

• No, not similar

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar

Are the triangles similar?

• Yes

• No

Given that Triangle BAC is similar to Triangle EDF. Find the length of ED.

• 6

• 8

• 10

• 12

• 5
• 10
• 12
• 15

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• SAS~

• AA~

• SSS~

• not similar

The triangles shown are similar. What is the scale factor?

Select TWO more ways to write the ratio of x to y.

• x:y

• y:x

A picture of a school’s mascot is 16 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?

• 81 in

• 7.1 in

• 36 in

• 62 in

The ratio of the side lengths of a triangle is 2:4:8, and its perimeter is 44.8 cm. Find the length of the longest side.

• 14.9 cm

• 11.92 cm

• 22.4 cm

• 25.6 cm