What is the radius of the circle that has an area of
*pi" alt="81*x*pi" align="absmiddle" class="latex-formula"> degrees
1 answer:
Answer:
R=9
Step-by-step explanation:
the formula for area of a circle is pi r squared
where r denotes the radius of the circle
equating the formula for area with the area of the circle provided
p\i r squared = 81 p\i
r squared = 81
r = radical 81
r =9 inches
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