Congruent Shapes and Similar

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.

Tags

CCSS.HSG.SRT.A.2

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Tags

CCSS.HSG.SRT.A.2

Find the length of x

• x = 1

• x = 2

• x = 7

• x = 1/7

Tags

CCSS.HSG.SRT.A.2

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

Tags

CCSS.7.G.A.1

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

Which side length corresponds with EF?

• ML

• LM

• OL

• EH

Tags

CCSS.HSG.CO.B.7

The rectangles are similar.

Solve for x.

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.A.2

Are the two figures similar?

• yes

• no

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What are similar shapes?

• Are shapes that have the same shape, but not necessarily the same size.

• Compares the sizes of the parts of the scale drawing to the actual sizes on the original object.

• They are sides that are in the same position in different plane figures. 

• They are sides that have different ratios.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• 20

• 25

• 100

• 40