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olchik [2.2K]
3 years ago
8

What is the radius of the circle that has an area of

*pi" alt="81*x*pi" align="absmiddle" class="latex-formula"> degrees
Mathematics
1 answer:
crimeas [40]3 years ago
7 0

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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