Math, asked by shaurya222745, 3 months ago

A black board of sides 5m 20cm and 3m 40cm is to be painted, find the cost at the rate of Rupees 12 per square meter​

Answers

Answered by paraschaudahry
3

Step-by-step explanation:

length=5m 20cm =5.2m

breadth=3m 40cm=3.4m

area of blackboard=l×b

5.2×3.4=17.68m²

cost of painting=rate×area

12×17.68

212.16rs

Answered by siddhigupta0304
1
5m 20cm = 520 cm
3m 40cm = 340 cm

520 x 340 = 1,76,800

Cost:-

21,21,600 x 1,76,800 is your ans.
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