A semi circular sheet of paper has radius 21cm . It is bent to form an open conical cup. Find the volume and depth of the cup.
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Answered by
24
VOLUME OF SEMICIRCLE =VOLUME OF CONE
pie×r2/2=1/3×r2×h×pie
22/7×1/2×21×21=1/3×21×21×22/7×h
693=231h
h=3 cm.
volume is 693cm cube
depth of cup is 3cm.
pie×r2/2=1/3×r2×h×pie
22/7×1/2×21×21=1/3×21×21×22/7×h
693=231h
h=3 cm.
volume is 693cm cube
depth of cup is 3cm.
Answered by
8
Hi friend. This is the answer. It is 2100.945 cm^3.
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