Question

What’s the area of a circle with the diameter of 3/4 (0.75)

Answer 1

`A=(9/64)\pi\ units^(2)`

Explanation:

The area of a circle is equal to

`A=\pi r^(2)`

we have

`r=(3/4)/2=3/8\ units` ----> the radius is half the diameter

substitute

`A=\pi (3/8)^(2)`

`A=(9/64)\pi\ units^(2)`