Similar Figures

Front

Are these triangles similar?

Back

Yes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

All angles in similar figures are congruent.

Back

True

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

The pair of figures is similar. Find the missing side: If one triangle has sides 3, 4, and 5, and the other triangle has a side of 4, what is the missing side?

Back

x = 3

Tags

CCSS.HSG.SRT.B.5

Front

The pair of figures is similar. Find the missing side: If one triangle has sides 6, 8, and 10, and the other triangle has a side of 8, what is the missing side?

Back

x = 12

Tags

CCSS.HSG.SRT.B.5

Front

The pair of figures is similar. Find the missing side: If one triangle has sides 5, 12, and 13, and the other triangle has a side of 12, what is the missing side?

Back

x = 5

Tags

CCSS.HSG.SRT.B.5

Front

Definition: Similar Figures

Back

Figures that have the same shape but may have different sizes.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

Definition: Congruent Angles

Back

Angles that have the same measure.

Tags

CCSS.8.G.A.2

Front

Definition: Scale Factor

Back

The ratio of the lengths of corresponding sides of two similar figures.

Tags

CCSS.7.G.A.1

Front

Example: If triangle A has sides 2, 3, and 4, and triangle B has sides 4, 6, and 8, are they similar?

Back

Yes, because the sides are in proportion (1:2).

Tags

CCSS.HSG.SRT.A.2

Front

Definition: Proportional Sides

Back

Sides of similar figures that maintain the same ratio.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6