Similar shapes and Pythagoras

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Find the length of x

• x = 1
• x = 2
• x = 7
• x = 1/7

Find missing side

• 5
• 7
• 9
• 11

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

• 20
• 25
• 100
• 40

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

• True
• False

What is the scale factor of these similar shapes?

• 10
• 7
• 9
• 11

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

• x = 9
• x = 28
• x = 7
• x = 63

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

The following shapes are similar, the smaller one is the original shape, what is the scale factor?

• 8:12
• 3:2
• 4:8
• 6:12

Simplify to lowest terms

• 6
• 2/8
• 1/6
•  2/12