sgxtch125 sgxtch125

15-03-2018
Mathematics

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The floor of a circular orchestra room has an area of 28.26 square meters. What is the radius of the floor? Use = 3.14.

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musiclover10045 musiclover10045

15-03-2018

area = PI x r^2

28.26 = 3.14 x r^2

r^2 = 28.26 / 3.14
r^2 = 9

r = sqrt(9)

r = 3 meters

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