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bmar1209
Group Title
Help Needed!
Find the area of each of the following shaded parts. Assume all arcs are circular. Leave all answers in terms of pi.
 2 years ago
 2 years ago
bmar1209 Group Title
Help Needed! Find the area of each of the following shaded parts. Assume all arcs are circular. Leave all answers in terms of pi.
 2 years ago
 2 years ago

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campbell_st Group TitleBest ResponseYou've already chosen the best response.0
the area of the large semicircle is \[A = 1/2 \pi r^2\] the 2 small semicircles has the same radius r/2 and combined have the area of a whole circle \[A=\pi (r/2)^2 = 1/4 \pi r^2\]
 2 years ago

myko Group TitleBest ResponseYou've already chosen the best response.1
Are of each part is: \[1/2(1/2\pi r ^{2})\]
 2 years ago

bmar1209 Group TitleBest ResponseYou've already chosen the best response.0
So would the answer be \[A= 1/4\pi r ^{2}\] ?
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.0
the green shaded area is A = 1/4 pi r^2 that appears to be the only area you need to find
 2 years ago

bmar1209 Group TitleBest ResponseYou've already chosen the best response.0
yes, just the shaded portion. Thank you both for helping me!
 2 years ago
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