Similar Figures

Front

What is the scale factor in the transformation from (x, y) to (kx, ky)?

Back

The scale factor is represented by 'k'.

Tags

CCSS.8.G.A.3

Front

If two figures are similar, what can be said about their corresponding sides?

Back

The corresponding sides of similar figures are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

What happens to the size of a figure when multiplied by a scale factor greater than 1?

Back

The figure undergoes an enlargement.

Tags

CCSS.8.G.A.3

Front

What is the relationship between the angles of similar figures?

Back

The corresponding angles of similar figures are equal.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

If the scale factor is 1/2, what happens to the size of the figure?

Back

The figure is reduced to half its original size.

Tags

CCSS.8.G.A.3

Front

How do you find the missing side in similar figures?

Back

Use the proportion of corresponding sides to set up an equation.

Tags

CCSS.HSG.SRT.A.2

Front

What is the measure of angle F if it corresponds to an angle of 72° in a similar figure?

Back

Angle F is also 72°.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

If triangle ABC is similar to triangle DEF, and AB = 10 and DE = 5, what is the scale factor?

Back

The scale factor is 1/2.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Front

True or False: The areas of similar figures are proportional to the square of the scale factor.

Back

True.

Front

What is the formula to calculate the area of similar figures?

Back

Area ratio = (scale factor)².

Tags

CCSS.7.G.A.1