Math, asked by anshikapriya, 1 year ago

a door of length 2m and breadth 1m and a window of length 1m and breadth 0.5m are fitted in a wall 4.5m in length and 4m in breadth. find the cost of washing the wall at the rate of rs 20 per m2.​


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Answers

Answered by Hriddhi
14
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Answered by Anonymous
19

\huge\tt\red{\underline{\underline{Answer:-}}}

Area of door= \bf{2m×1m}

\bf{2m}².

________________________________

Area of wall with door = \bf{l×b}

\bf{4.5m×3.6m}

\bf{16.20}².

________________________________

Area of wall without door= \bf{16.20-2m}².

\bf{14.2m}².

____________________________

Cost of white washing the wall

\bf{rs.20×14.2}

Rs. 28.4

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