1.

the volume of a cylindrical vessel is 770cm. if its radius is 7 then find its height and area of the base​

Answer»

Answer:

Given,

VOLUME of CYLINDRICAL vessel=770 cm

Radius =7 cm

Hence, πr²h= 770

Or, H= 770/πr²

Or, h= 770*7/22*7*7

Or, h= 5 cm.

Hence AREA of base = πr²= 22/7*7*7=154 cm²



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