SOLUTION: problem: the area of a circle is 25 meters. find the radius of the circle. i solved to this point. 7.96 m (squared)= r (squared) the books says answer is r=2.82 i need to

Question 7370: problem:
the area of a circle is 25 meters. find the radius of the circle.
i solved to this point.
7.96 m (squared)= r (squared)
the books says answer is r=2.82
i need to understand the step on how they got the answer
thanks.
Found 2 solutions by Earlsdon, cleomenius:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Well, your first step is just fine:

Now take the square root of both sides.

r = 2.82 meters, approximately.
Answer by cleomenius(959) (Show Source): You can put this solution on YOUR website!
The area of a circle is pi * r^2
25 / pi = 7.96.
At this point, you only will need the square root of 7.96.
This is your radius.
2.82
Cleomenius
RELATED QUESTIONS
I have this math problem. The area of a circle is 25 square meters. Find the radius of... (answered by Earlsdon,tutorcecilia)
I tried to answer this question and the correct answer according to the answer book was:... (answered by jim_thompson5910)
Show that the equation represents a circle by rewriting it in standard form, and find the (answered by Cromlix)
If the radius of a circle is decreased by 2 meters, the area of the circle is decreased... (answered by lwsshak3,MathTherapy)
The area of a circle is 147 ft squared. Find the radius to the nearest... (answered by algebrahouse.com)
A circle has an area of 25 pie cm squared. If a circle was drawn within that circle the... (answered by Fombitz)
Find the radius of a circle that has an area of 25π... (answered by checkley77)
I hope that someone can help me with this problem! I have no idea how to work this!!... (answered by jim_thompson5910)
Dear Tutor, may you please help me on this problem? May you also show me the steps so I... (answered by neatmath)