Area and Perimeter

Front

What is the definition of perimeter?

Back

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 definition of area?

Back

Area is the amount of space inside a shape.

Front

How do you calculate the area of a rectangle?

Back

Multiply the length by the width: A = length × width.

Front

What is the formula for the area of a square?

Back

A = side × side or A = side².

Front

If a square has a side length of 6 inches, what is its area?

Back

36 square inches.

Front

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

Back

20 cm.

Front

If a shape has a perimeter of 30 cm and one side is 10 cm, what is the total length of the other three sides?

Back

20 cm.

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

12 cm.

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its perimeter?

Back

22 m.