Perimeter

Front

What is Perimeter?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is the perimeter of a square with each side measuring 5 cm?

Back

20 cm (P = 4 x side length).

Front

If a triangle has sides measuring 3 cm, 4 cm, and 5 cm, what is its perimeter?

Back

12 cm (3 + 4 + 5).

Front

What is the perimeter of a figure with sides measuring 6 mm, 7 mm, and 8 mm?

Back

21 mm (6 + 7 + 8).

Front

What unit is used to measure perimeter?

Back

Common units include centimeters (cm), meters (m), millimeters (mm), and inches (in).

Front

If the perimeter of a rectangle is 30 cm and the length is 10 cm, what is the width?

Back

5 cm (P = 2(length + width) => 30 = 2(10 + width)).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you find the perimeter of a polygon?

Back

Add the lengths of all its sides.

Front

If a shape has a perimeter of 24 cm and one side is 8 cm, what is the total length of the other sides?

Back

16 cm (24 - 8).