Tell me ...what is the formula of frustrum of cone .......plz
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csa= pi (r+R)l
tsa=pi (r+R)l+pir(r^2+R^2)
volume=1/3×pi (r^2+R^2+Rr)h
tsa=pi (r+R)l+pir(r^2+R^2)
volume=1/3×pi (r^2+R^2+Rr)h
aditya2233:
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1.volume of the frustum of the cone =πh/3[R²+r²+Rr]cubic units
2.lateral surface area of the frustum of the cone =like(R+r),where l²=h²+(R-r)² square unit
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