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 one year ago
The area of sector AOB is 20.25 ft2. Find the exact area of the shaded region.
 one year ago
The area of sector AOB is 20.25 ft2. Find the exact area of the shaded region.

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dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0A. (20.25 40.5 ft2 B. (20.25  81) ft2 C. ( 20.25  40.5 2 ) ft2 D. none of these

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1dw:1360004880244:dw

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1Subtract the area of the right triangle from the given area of the sector and you will get the shaded area (known as segment of a circle). What is the area of the right triangle? @dietrich_harmon

Directrix
 one year ago
Best ResponseYou've already chosen the best response.181 is not the area of the triangle. Try again.

dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0it gonna be A or c

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1What is the area of the triangle? A = (1/2) b*h so ..

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1c) looks sketchy with C. ( 20.25  40.5 2 ) ft2 If the area is 40.5, what is that extra 2 doing there? @dietrich_harmon

dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0i go with c then thanks

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1All of these options > . (20.25 40.5 ft2 B. (20.25  81) ft2 C. ( 20.25  40.5 2 ) ft2 give negative areas. Area is not negative so that leaves one option.

dietrich_harmon
 one year ago
Best ResponseYou've already chosen the best response.0D then @Directrix

Directrix
 one year ago
Best ResponseYou've already chosen the best response.1Yes, this was a good "tricky" question. We should have picked up on that negative business but better late than never. :)
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