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find the diameter of acircle in km given the area of a sector to be 62cmsquare and arc length to be 32degree

Posted in Math, asked by Sarah Thompson, 6 years ago. 1510 hits.

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Area of a sector=62cmsquare = (1/2)θ*r*r*π/180[if θin degrees]

arc length = θ*r = 32 degrees

area= 62=(1/2)*32*r*π/180[since θ*r = 32 degrees]

2*62/32=r*π/180

3.875*180/3.14=r

r=222.133cm=2.22m=0.00222km.

 

 

vinu omanan
vinu omanan - 6 years ago
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