7.5C exit ticket

Front

What does it mean for figures to be similar?

Back

Figures are similar if they have the same shape but not necessarily the same size. Their corresponding sides are proportional.

Front

What is the relationship between the sides of similar figures?

Back

The sides in similar figures must be proportional.

Front

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

Back

The corresponding angles of similar triangles are equal.

Front

How do you find a missing side in similar figures?

Back

To find a missing side, set up a proportion using the lengths of the corresponding sides.

Front

If one side of a triangle is 5 cm and the corresponding side of a similar triangle is 10 cm, what is the scale factor?

Back

The scale factor is 2.

Front

If two similar figures have a scale factor of 3, and one side of the smaller figure is 4 cm, what is the corresponding side in the larger figure?

Back

The corresponding side in the larger figure is 12 cm.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If the sides of two similar rectangles 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 finding the area of a triangle?

Back

Area = 1/2 * base * height.

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its area?

Back

The area is 12 cm².