Question

What is the area of a circle with a diameter of 36 millimeters?

Answer 1

1017.36

Explanation:

The formula to find the area of a circle:

A=π
`r^(2)`

Since you are using the diameter, just divide the diameter by 2.

A=π*
`18^(2)`

A=324π

Round π to 3.14 and multiply.