Question:

area of a sector of a circle in terms of pi

by Guest6875  |  12 years, 7 month(s) ago

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How do you calculate the area of a circle in terms of pi?  the angle is 60 and the radius is 9. the answer we are told is (27 pi) / 2 but we can't figure out how to get this as an answer

 Tags: Circle, Pi, Sector, terms

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  1. Guest8890
    OK SO FIRST YOU DO 9X9=81. SO NOW ITS 81(PI) YOU THEN PUT 60 OVER 360 AND DIVED BY 60 AND 60 SO IT WOULD REDUCE TO 1 OVER 6.NOW YOU MULTIPLY 81/1 X 1/6 WHICH WOULD EQUAL 81/6. THE LAST STEP IS TO DIVIDE 6 INTO 81, THE ANSWER WOULD BE 13.5. THE ANSWER WOULD BE 13.5 (PI). ITS REALLY HARD BUT YOULL GET USED TO IT

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