Question

Maths question, will mark Brainliest! Find the area of a circle with a radius of 4.

Answer 1

Answer:

8$\pi$

Step-by-step explanation:

area=$\pi$$r^{2}$

$\pi$$4^{2}$

16$\pi$

since it is a semicircle, cut that number in half.

Answer 2

Answer:

25.12units squared

Step-by-step explanation:

A = $\frac{\pi r^2}{2}$ or $\frac{3.14r^2}{2}$

r = 4

3.14 x 4^2 = 50.24

50.24/2 = 25.12