Question 711170
Area of a circle:
{{{A=pi(r)^2}}}
You are given the area:
{{{314=pi(r)^2}}}
Solve for r:
{{{r^2=314/pi}}}
Use pi=3.14
{{{r^2=314/3.14}}}
{{{r^2=100}}}
{{{highlight(r=10)}}}
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Good Luck,
tutor_paul@yahoo.com