G-6.5 FLASHCARD Perimeter of Similar Figures

Front

What is the perimeter of a figure?

Back

The perimeter is the total distance around the outside of a shape.

Front

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

Back

The corresponding sides of similar figures are in proportion.

Front

What does the symbol '~' represent in geometry?

Back

The symbol '~' stands for 'is similar to'.

Front

How do you find the ratio of the perimeters of two similar figures?

Back

The ratio of the perimeters is equal to the ratio of their corresponding side lengths.

Front

If the ratio of the sides of two similar figures is 3:4, what is the ratio of their perimeters?

Back

The ratio of their perimeters is also 3:4.

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

If the perimeter of a smaller similar figure is 18 cm, what is the perimeter of a larger figure with a ratio of 3:4?

Back

The perimeter of the larger figure is 24 cm.

Front

What is the relationship between the areas of two similar figures?

Back

The ratio of their areas is the square of the ratio of their corresponding side lengths.

Front

If the ratio of the sides of two similar triangles is 5:8, what is the ratio of their areas?

Back

The ratio of their areas is 25:64.

Front

What is the perimeter of a triangle with sides measuring 5 cm, 7 cm, and 9 cm?

Back

The perimeter is 21 cm.