Answer to Question #70689 in Trigonometry for trottewood

Question #70689
The diagram shows a sector of a circle of radius r cm containing angle Ө radians. The area of the sector is Acm2 and the perimeter of the sector is 50 cm.
a. Find Ө in terms of r.
b. Show that A = 25r – r2
1
Expert's answer
2017-10-23T18:07:07-0400
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