Question

Find the exact area of the circle with the given radius.

r = 4.5 m

Answer 1

Area = pi*r^2

Answer 2

For an exact answer, leave pi as pi.

Answer 3

\[\text{Area}=\pi \left(\frac{45}{10}\right)^2 \text{meters}^2 \]

Answer 4

whats the anwser

Answer 5

A=pir^2, where 4.5 is your r >_>

Answer 6

@blake57roger : It's up to you to do the math indicated.

Since you want the "exact" answer, do not use an approximation for Pi; instead, keep Pi in your answer.

Evaluate 45^2 and 10^2 and then divide the 2nd into the first.

Or simply leave the result given you by robtobey exactly as it is (as it involves NO rounding off).