area and perimeter

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is perimeter?

Back

Perimeter is the total distance around a shape, measured in linear units.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its area?

Back

50 square units.

Front

If a rectangle has a length of 8 units and a width of 4 units, what is its perimeter?

Back

24 units.

Front

What is the area of a square with a side length of 6 units?

Back

36 square units.

Front

What is the perimeter of a square with a side length of 6 units?

Back

24 units.

Front

If the area of a rectangle is 20 square units and the width is 5 units, what is the length?

Back

4 units.

Front

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

Back

5 units.