WILL VOTE BRAINIEST IF CORRECT(must be next few minutes): The formula for the area of circle A is Area=πr2 . Sector CAB is a fraction of circle A. In degrees, the fraction is θ/360∘ . In radians, the fraction is _. Inserting this fraction into the formula for the area of a circle, and then simplifying, results in the formula _.

(image attached)
choices: 2pi0, 0pi, 0/2pi, area=0r^2, area= 2pi0r^2, area= 0/2r^2

Question

09-05-2018
Mathematics

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WILL VOTE BRAINIEST IF CORRECT(must be next few minutes): The formula for the area of circle A is Area=πr2 . Sector CAB is a fraction of circle A. In degrees, the fraction is θ/360∘ . In radians, the fraction is _. Inserting this fraction into the formula for the area of a circle, and then simplifying, results in the formula _.

(image attached)
choices: 2pi0, 0pi, 0/2pi, area=0r^2, area= 2pi0r^2, area= 0/2r^2

$WILL VOTE BRAINIEST IF CORRECTmust be next few minutes The formula for the area of circle A is Areaπr2 Sector CAB is a fraction of circle A In degrees the fract class=$

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324713 324713 · Answer 1 · 2018-05-09T06:53:31+02:00

324713 324713

09-05-2018

A / [ pi r^2 ] = θ / [ 2pi ] [ multiply both sides by pi r^2 ]

A = [ θ / 2 ] r^2 = (1/2)r^2 θ

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