Question

Find the area of the circle. Leave your answer in terms of (pi) .
A. 4.2025 m2

B. 8.405m2

C. 16.81m2

D. 11.2m2

Is A correct? i tried my best, but Geometry is my weak spot :/

Answer 1

and what is the radius?

Answer 2

\[\text{area of a circle} = \pi \times \text{radius}^2\]

Answer 3

All you have to do to find the area of a circle is identify the radius and plug it in to that equation.

Answer 4

Do you know how to find the radius?

Answer 5

yes its half the diameter

Answer 6

cool so what is it in that picture?

Answer 7

2.05

Answer 8

correct?

Answer 9

Great! and we know that

Answer 10

so lets plug that number into the equation