Question

Find the circumference and the area of a circle with diameter 8.

Use the value for 3.14 pie , and do not round your answers.

Answer 1

Area = 50.24 units²

Circumference = 25.12 units

Explanation:

Circumference
`= 2\pi r`

`=\pi d`

`=3.14* 8`

`=25.12`

Area
`= \pi r^2`

`r = 8/2`

`=4`

Area
`= 3.14*4^2`

`=50.24`

∴ The circumference of the circle is 25.12 units, and the area of the circle is 50.24 units²

Hope this helps :)