Area and Perimeter

Front

What is the perimeter of a rectangle?

Back

The distance around the rectangle.

Front

What does perimeter mean?

Back

The distance around the shape.

Front

If a rectangle has a length of 5 units and a width of 2 units, what is its perimeter?

Back

14 units (P = 2(length + width) = 2(5 + 2) = 14).

Front

What is the area of a rectangle?

Back

The amount of space inside the rectangle.

Front

If a rectangle has a length of 4 units and a width of 3 units, what is its area?

Back

12 square units (A = length × width = 4 × 3 = 12).

Front

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

Back

P = 2(length + width).

Front

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

Back

A = length × width.

Front

If the perimeter of a rectangle is 20 units and the length is 6 units, what is the width?

Back

4 units (P = 2(length + width) => 20 = 2(6 + width) => width = 4).

Front

What is the unit of measurement for area?

Back

Square units (e.g., square meters, square feet).

Front

What is the unit of measurement for perimeter?

Back

Linear units (e.g., meters, feet).