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if you get how to do this could you please help me on this question?

If You Get How To Do This Could You Please Help Me On This Question class=

Answer :

fan is at 75 degree angle
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Answer:

Step-by-step explanation:

area of the sector = 144 π

the whole circle is πr²= 36²π = 1,296π

the whole circle has an angle of 360°

the area of the sector has the angle ∠FAN

∠FAN/360 = 144π/1,296π

∠FAN = 360 * 144π/ 1,296π

∠FAN = 40°

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