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4 years, 8 months ago
4 years, 7 months ago
let radius - r
radius 20% more than height
r=(100+20)/100 h
area of triangle= 1/2 h * b
b - 36
=1/2*h*36
=18h
area of circle=area of triangle
area of circle =18h
pi r^2=18h
22/7 r^2=18h
r=4.77
area of circle = 22/7*4.77*4.77
area of circle= 71.509
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