A child toy rocket has hemispherical base a cylindrical body and a conical nose top The rocket is 20 - Maths - Surface Areas and Volumes

Question

A child toy rocket has hemispherical base a cylindrical body and a
conical nose top The rocket is 20 cm long The hemisphere cylinder
and come have a base diameter 3cm each The body of cylindrical part
is 8cm Find the volume of the rocket

Ishwarmani · Accepted Answer

Dear
Student,
Please find
below the solution to the asked query:

Height of cylinder, h=8 cm,radius of base,r=32 cm=1
5 cm,Height of cone,H=20-8+1 5=10
5 cmVolume of the rocket=Volume of cone+Volume of cylinder+Volume of hemisphere=13πr2H+πr2h+23πr3=13πr2H+3h+2r=13π1
5210 5+3×8+2×1 5=13×227×2 2537 5=88
39 cm3   Approx

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A child toy rocket has hemispherical base a cylindrical body and a conical nose top. The rocket is 20 cm long. The hemisphere cylinder and come have a base diameter 3cm each. The body of cylindrical part is 8cm. Find the volume of the rocket.