Asked by Ayomide
The area of sector of radius 14cm is 76cm.what is the angle substended by the sector at the centre of the circle
Answers
Answered by
Ayomide
Answer
Answered by
mathhelper
Area would be measured in cm^2 , not cm
area of whole circle = π(14^2) cm^2 = 196π cm^2
let the angle subtending your sector be θ , then by a simple ratio:
θ/360 = 76/196π
θ = 76*360/196π = appr 44.4°
area of whole circle = π(14^2) cm^2 = 196π cm^2
let the angle subtending your sector be θ , then by a simple ratio:
θ/360 = 76/196π
θ = 76*360/196π = appr 44.4°
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