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 2 years ago
The area of sector AOB is 20.25 ft2. Find the exact area of the shaded region.
 2 years ago
The area of sector AOB is 20.25 ft2. Find the exact area of the shaded region.

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dietrich_harmon
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1360004880244:dw

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

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

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

Directrix
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0i go with c then thanks

Directrix
 2 years 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
 2 years ago
Best ResponseYou've already chosen the best response.0D then @Directrix

Directrix
 2 years 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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