Question 120570
The formula for the area of a circle is:
{{{A=(pi)r^2}}}
You are given A, so just plug that in and solve for the radius (r):
{{{50=(pi)r^2}}}
{{{r^2=50/pi}}}
Take the square root of both sides to find r. Use only the positive result.
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Good Luck,
tutor_paul@yahoo.com