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Subjects
Mathematics State Board
Class 10
Mensuration
Volume and Surface Area of Combined Solids

24. Answer the following

Exercise condition:

4 m.

The following is the sketch of a rocket.

If

$r_{1} =$ 13

$m$ ,

$h_{1} = 84$

$m$ ,

$r_{2} =$ 3

$m$ and

$h_{2} = 63$

$m$ , then answer the following:

1) The shape of rocket is the combination of ________.

a cone and a cylinder
a cone and a cuboid
a hemisphere and a cylinder

2) The slant height of the rocket is _______

$m$ .

13
85
84

3) The total surface area of the rocket is given by the formula ________ square units.

$2 \pi r (h + r)$ $+$ $\pi r (l + r)$ $-$ $\pi r^2$
$2 \pi r h$ $+$ $\pi r l$ $+$ $\pi r^2$
$2 \pi r (h + r)$ $+$ $\pi r (l + r)$ $+$ $\pi r^2$

4) The total surface area of the rocket is ________

$m^2$ .

5224.28
5220.28
5222.28

$1$

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