1.

Find the radius of a cylindrical water tank whose capacity is 6930cm cube.Its height is 20 cm.​

Answer»

of CYLINDRICAL vessel =7cm and HEIGHT =12cm∴ Volume =πr 2 h=588πVolume of vessel filled with water = 32 ×588π=392πVolume of SPHERE = 34 ×π×216=288π∴ Water spilled outside=(392+288)π−588π=92π cm^3 therefore answer is 92π cm^3



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