a blackboard of side 5 metre 20 cm and 3 metre 40 cm is to be painted find the cost at the rate of 12 rupees per square meters
Answers
Answered by
32
5.20×3.40= 17.68×12=212.16
Answered by
51
In this question, you have to find area of blackboard first
i.e. 5 m 20 cm * 3 m 40 cm = 5.2 m * 3.4m
= 17.68 sq.m.
Cost of painting = Rs 12 * 17.68 = Rs 212.16
i.e. 5 m 20 cm * 3 m 40 cm = 5.2 m * 3.4m
= 17.68 sq.m.
Cost of painting = Rs 12 * 17.68 = Rs 212.16
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