Similar Figures

Which triangle is similar to the above triangle?

• A

• B

• C

• D

Q1. What is the total number of students?

• 1) 74

• 2) 100

• 3) 104

• 4) 108

Triangle ABC and XYZ are similar.  Use your knowledge of scale factor to find the length of X.

• 20

• 25

• 100

• 40

figures with the same shape but not necessarily the same size

• similar

• linear

• circular

In similar figures, the lengths of corresponding sides are proportional.

• Always true

• Sometimes true

• Never true

The pair of figures is similar. Find the missing side.

• x = 10

• x = 4

• x = 2

• x = 5

Similar figures have the same general shape.

• Always true

• Sometimes true

• Never true

What is the corresponding side to line segment AC?

• Line Segment CB

• Line Segment AB

• Line Segment XZ

• Line Segment ZY

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

• 3.75

• 9.75

• 10

• 12

Find missing side

• 5

• 7

• 9

• 11