Question

16. A door of length 4 m and breadth 3 m is fitted in a wall. The length of the wall is 16m
and the breadth of the wall is 13 m 9 cm. Find the cost of whitewashing the wall at the
rate of 20 per square metre.
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Answer 1

Answer:

Here is the answer.

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Answer 2

Answer:

area = 1926 and cost = 1926 ×20 =38520