find the area of the sector of a circle with diameter 40 cm, if the angle of the sector is 60 degree??
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Step-by-step explanation:
d=40cm
r=20cm
area of sector=(60/360)×22/7 ×r^2
.
=(60/360)×22/7 ×20×20
=209.5cm^2
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Answer:
209.523 cm²
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