Question

a rectangular room of dimensions 8m*6m*3m is to be painted. ofit costs 60 rupees per square metre, find the cost of painting the walls of the room​

Answer 1

In a rectangular room of dimensions 8m*6m*3m is to be painted if it cost 60 rupees per metre² find the cost of Painting of walls of the room.

= ₹5040. Answer

Answer 2

Given:-

• Length of rectangular room i.e. 8m
• Breadth of rectangular room i.e. 6m
• Height of rectangular room i.e 3m

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To find:-

• Area of rectangular room

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Solution:-

Length of rectangular room= 8m

Breadth of rectangular room= 6m

Height of rectangular room= 3m

C.S.A of rectangular room:- Area of 4 walls

$2h(l + b)$

$2 \times 3(8 + 6)$

$6(14)$

84 m²

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Cost of 1 m²= ₹ 60

Cost of 84 m²= 60×84

₹5040

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