Question

The diameter of a circle is 7 cm. Find its area to the nearest tenth.

Answer 1

38.5 cm

Explanation:

1. To find the radius divide 7 by 2 which is 3.5

2. Then multiply 3.5 by itself which is 12.25

3. Next multiply 12.25 by 3.14 ( 3.14 =
`\pi` = pi )

4. Lastly your answer will be 38.5