Question

Find the cost of painting to the adjacent wall with the cost of Rs.4 per Sq.m​

Answer 1

$Length \: is \: 10m \\ Breadth \: is \: 5m\\Height \: is \: 6m \\ \\ = > Area \: of \: 4 \: walls \: is \: 2(l+b)h \\ = > 2 \times 15 \times 6 sq m \\ = > 180 \\ \\ Cost of painting 180*4 \\ \\ Rs \: 720$

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Answer 2

Given;

Length = 10m

Breadth = 5m

Height = 6m

Sol:-

• Area of 4 walls is 2(l+b)h

=> 2×15×6 = 180 sqm

Cost of painting = 180 × 4

=> Rs720