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tbrooks3
Group Title
last question... maybe :p
A rectangular wall has an arched entrance cut into it. Assume the arch is a semicircle. You need to wallpaper the wall. To the nearest square foot, what is the area of the wall that you will be wallpapering?
*have to draw diagram first*
 2 years ago
 2 years ago
tbrooks3 Group Title
last question... maybe :p A rectangular wall has an arched entrance cut into it. Assume the arch is a semicircle. You need to wallpaper the wall. To the nearest square foot, what is the area of the wall that you will be wallpapering? *have to draw diagram first*
 2 years ago
 2 years ago

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tbrooks3 Group TitleBest ResponseYou've already chosen the best response.0
dw:1339682800245:dw
 2 years ago

sasogeek Group TitleBest ResponseYou've already chosen the best response.1
is the 10ft the whole length of the entrance?
 2 years ago

tbrooks3 Group TitleBest ResponseYou've already chosen the best response.0
i got 157.08 ?
 2 years ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
u should get 441.71 sq.ft
 2 years ago

sasogeek Group TitleBest ResponseYou've already chosen the best response.1
the radius of the semicircle is 2, the height of the rectangular part of the entrance hence is 8, find the area of the semicircle, the area of the rectangular part of the entrance, sum it, and deduct it from the area of the whole wall
 2 years ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
area of the wall = 16 x 30 = 480 sq.ft area of rectangle + semi circle hole = 8x4 + pi x 2 do a subtraction..
 2 years ago
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