Math, asked by pandeykanchan12344, 3 months ago

18. A black board of sides 5 m 50 cm and 4 m 40 cm is to be painted. Find the cost at the rate of 10 per square meter

Answers

Answered by balkaranjida968

3

Answer:

5m*100=500cm

500+50=550cm

4m*100=400cm

400+40=440cm

Perimeter of Rectangular=L*B

l=550cm

b=440cm

550*440

2,42,000cm 2,42,000/1000=242m

cost of 1 m=10ruppes

cost of 242m=10*242=2420

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