Asked by ROMEO
What is the central angle of a circle with a radius of 2 feet and a segment area of 4.3 square feet.
Answers
Answered by
Steve
a = 1/2 r^2 (θ-sinθ)
4.3 = 1/2 * 4 (θ-sinθ)
θ-sinθ = 2.15
Solve using your favorite numerical or graphical method to get
θ = 2.63511
4.3 = 1/2 * 4 (θ-sinθ)
θ-sinθ = 2.15
Solve using your favorite numerical or graphical method to get
θ = 2.63511
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