motu
motu
06-01-2014
Math
Answered
if the area of semicircular region is 77cm2 find its perimerte
Answer :
Sara
Sara
06-01-2014
Hi!
So, the area is given 77 cm^2
so, pi r^2/2 = 77
pi r^2 = 154
we have to find pi r
pi r = root 154
= 12.4
circumference= 12.4 cm
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saleem65teacher
saleem65teacher
23-07-2020
Answer:
Step-by-step explanation:
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