Missing sides area/perimeter

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

If a rectangle has a length of 5 units and a width of 3 units, what is its perimeter?

Back

16 units

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

If a rectangle has a length of 4 units and a width of 2 units, what is its area?

Back

8 square units

Front

What does 'perimeter' mean?

Back

Perimeter is the total distance around the outside of a shape.

Front

What does 'area' mean?

Back

Area is the amount of space inside a shape.

Front

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

Back

5 units

Front

How do you find the missing side length of a rectangle if you know the perimeter?

Back

Subtract the sum of the known sides from the total perimeter and divide by 2.

Front

What is the perimeter of a square with each side measuring 4 units?

Back

16 units

Front

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

Back

4 units