Question

1.
In a cylinderical pipe (Fig. 14.23), the area of the surfaces
are given. Find the radius and height of the cylinder.
154 sq units
2.
880 sq units
The length of a room is 50 per cent more than its breadth.
The cost of carpeting the room at the rate of 38.50m2 is
* 924 and the cost of painting the walls at the rate of 5.50
per ma is 1,320. Find the dimensions of the room.​

Answer 1

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1. Answer. Given:- top circle area of the cylinder = 154 sq. units. Curved Surface Area of the cylinder = 880 sq.

Answer 2

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1.

In a cylinderical pipe (Fig. 14.23), the area of the surfaces

are given. Find the radius and height of the cylinder.

154 sq units

2.

880 sq units

The length of a room is 50 per cent more than its breadth.

The cost of carpeting the room at the rate of 38.50m2 is

* 924 and the cost of painting the walls at the rate of 5.50

per ma is 1,320. Find the dimensions of the room

$\bf\huge\ AnSwEr:-$

Answer. Given:- top circle area of the cylinder = 154 sq. units. Curved Surface Area of the cylinder = 880 sq.