Separate Area from Perimeter

5 questions0m 0s

Learn the skill

For a rectangle, area is length times width in square units. Perimeter is the sum of all four sides in length units. Decide whether you need covering or boundary.

Worked example

A rectangle 6 cm long and 4 cm wide has area 6 x 4 = 24 square cm. Its perimeter is 6 + 4 + 6 + 4 = 20 cm.

1. A rectangle is 8 cm by 3 cm. What is its area in square cm? Answer

2. A rectangle is 8 cm by 3 cm. What is its perimeter in cm? Answer

3. A square has sides of 5 m. What is its area in square m? Answer

4. A garden is 9 m by 4 m. How many meters of fence surround it? Answer

5. A rectangular mat has area 42 square cm and width 6 cm. What is its length in cm? Answer