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Mathematics
, 31.01.2020 12:58
lizzzzi7908
Acircle has an area of 81pi square units. what is the diameter of the circle
a-18
b-9
c-162
d-none
Answers: 2
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Answers
Answer from:
sydneyrasmussen
The diameter of the circle is 18 unit which is A. Hope it help!
Answer from:
hannahgracew12
Area of circle (Formula) = πr^2
81π = πr^2
r^2 = 81
radius = 9
Hope this helps!
Answer from: Quest
answer: ok
step-by-step explanation:
Answer from: Quest
it's
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Acircle has an area of 81pi square units. what is the diameter of the circle
a-18
b-9
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