A circle having r= 7 cm and 0 = 120° angle subtended by the arc at the centre then find
the area of section ?
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Answered by
3
Answer:
area of sector =πr^2Theta/360
=22/7*7*7*120/360=51.33cm2
Answered by
6
area of sector= theta /360×π ×r²
=120/360×22/7×7×7
=1/4×22×7
=1/2×11×7
=77/2
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