A circular rug has an area of 32.15 align="absmiddle" class="latex-formula">. What is the diameter of the rug, to the nearest tenth of a foot? Plz show work and explain.
1 answer:
Diameter is twice the radius. A=πr^2.
First, solve for r:
32.15=πr^2
<em>*Divide both sides by </em>π*
10.2337=r^2
<em>*Take the square root of both sides*</em>
3.199=r
Multiply the radius by 2:
3.199*2=6.398
D. 6.4 feet
Hope this helps!!
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