Similar Figures

Front

What are similar figures?

Back

Figures that have the same shape but may differ in size.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What does it mean for angles in similar figures?

Back

All angles in similar figures are congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What is true about the sides of similar figures?

Back

Corresponding sides are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What does the term 'corresponding' mean in geometry?

Back

It means matching.

Tags

CCSS.8.G.A.2

Front

If two triangles are similar, what can we say about their perimeters?

Back

The ratio of their perimeters is the same as the ratio of their corresponding sides.

Front

How do you find the area of similar figures?

Back

The ratio of their areas is the square of the ratio of their corresponding sides.

Front

If the sides of two similar triangles are in the ratio 2:3, what is the ratio of their areas?

Back

The ratio of their areas is 4:9.

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Tags

CCSS.3.MD.D.8

Front

If a triangle has a perimeter of 36 and is similar to another triangle with a perimeter of 24, what is the ratio of their perimeters?

Back

The ratio is 36:24 or 3:2.

Front

What is the relationship between the lengths of corresponding sides of similar figures?

Back

They are in proportion.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6