Question

Mensuration, volume and surface area of solid figures. Cube, cuboid, cylinder , Cones, sphere and hemisphere. Draw a well labelled diagram and write formula of each

Answer 1

Cube :

volume : (side)³

surface area: 6(side)²

Cuboid :

volume : l×b×h

surface area:2(lb+bbh+hl)

Cylinder :

volume : $\pi r^2h$

surface area: $2\pi r h + 2\pi r^2$

Cone :

volume : $\frac{1}{3}\pi r^2h$

surface area: $\pi r(r+\sqrt{h^2+r^2)}$

Hemisphere :

volume : $\frac{2}{3}\pi r^3$

surface area: $3\pi r^2$

Sphere :

volume : $\frac{4}{3}\pi r^3$

surface area: $4\pi r^2$

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Answer 2

Step-by-step explanation:

cube

volume and surface area