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Please I need help on the first question!!
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5 votes
Please I need help on the first question!!

Please I need help on the first question!!-example-1
User Polat
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1 Answer

2 votes

Answer:

5. As formula I gave in previous prob.

Area of sector = pi*r^2*angle/360

=> angle = (area*360/(pi*r^2) = (24*pi*360)/(pi*12^2) = 60 deg

6. Area of shade region = Area of sector - Area of triangle AOB

= pi*6^2*90/360 - 6x6/2 = ~10.27

Explanation:

In Prob 6, pls try to calculate and find solution yourself.

Good luck!

User Krypru
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5.7k points
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