Geometry: 7.1-7.3 Review

Front

What is the ratio of the perimeter of two similar figures if the ratio of their corresponding sides is 11:6?

Back

The ratio of the perimeter is also 11:6.

Front

When figures are similar, their corresponding sides are__________________.

Back

proportional

Front

Solve the proportion: 3/x = 5/15. What is x?

Back

x = 9.

Front

If the perimeter of triangle SRT is 15 and the scale factor to triangle ABC is ⅚, what is the perimeter of triangle ABC?

Back

The perimeter of triangle ABC is 12.

Front

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?

Back

1/2

Front

Define similar figures in geometry.

Back

Similar figures are figures that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are proportional.

Front

What is the scale factor between two similar triangles if the lengths of their corresponding sides are 4 and 5?

Back

The scale factor is 4:5.

Front

If two triangles are similar and the length of one side of the first triangle is 10, what is the length of the corresponding side in the second triangle if the scale factor is ⅗?

Back

The length of the corresponding side in the second triangle is 6.

Front

What is the relationship between the areas of two similar figures if the ratio of their corresponding sides is a:b?

Back

The ratio of their areas is a²:b².

Front

If the ratio of the lengths of two sides of a triangle is 2:3, what is the ratio of their perimeters?

Back

The ratio of their perimeters is also 2:3.