anonymous
  • anonymous
The area of sector AOB is 20.25 ft2. Find the exact area of the shaded region.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
A. (20.25- 40.5 ft2 B. (20.25 - 81) ft2 C. ( 20.25 - 40.5 2 ) ft2 D. none of these
Directrix
  • Directrix
|dw:1360004880244:dw|

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Directrix
  • Directrix
Subtract 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
anonymous
  • anonymous
?B
Directrix
  • Directrix
81 is not the area of the triangle. Try again.
anonymous
  • anonymous
it gonna be A or c
anonymous
  • anonymous
A
anonymous
  • anonymous
@Directrix
Directrix
  • Directrix
What is the area of the triangle? A = (1/2) b*h so ..
anonymous
  • anonymous
C
Directrix
  • Directrix
c) 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
anonymous
  • anonymous
i go with c then thanks
Directrix
  • Directrix
Alrighty, then.
anonymous
  • anonymous
@Hero
Directrix
  • Directrix
All 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.
anonymous
  • anonymous
D then @Directrix
Directrix
  • Directrix
Yes, this was a good "tricky" question. We should have picked up on that negative business but better late than never. :)
anonymous
  • anonymous
thank u

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