Question

If a circle has a diameter of 8 cm, what is the area of the circle?

Answer 1

See the solution below

Explanation:

If the diameter of the circle is `8  "cm"` then the radius must be `4  "cm"`

Hence area of the circle must be `pi` `r^2` = `pi` `4^2`
= `50.26` `"cm"^2`

Hope this answer helps 😁