Question

Find the radius of a circle which has a sector of area 21 square inches determined...

Find the radius of a circle which has a sector of area 21 square inches determined by a central angle one half radian radian. (type an integer or decimal rounded to three decimal places as​ needed.)

R- _____ inches

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Answer #1

2 Given that seeton of area of a cincea)= 21 square inches central angle (0) I nadian let radius of the circle -R Then sectorUsing the formula for sector of area when central angle is in radian I solve the problem .

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