Question

The diameter of a well is 2.1 and it is 1.4m deep. Find the cost of plastering it at rupees 5 per, square meter.​

Answer 1

Answer:

hello

Step-by-step explanation:

diameter of the well =2.1 m

radius =2.1 ÷ 2

=1.05m

let the height be the deep of the well

=2×22×1.05 (14+1.05)

7

=44÷7×1.05(15.05)

=46.2÷7×15.05

=659.31÷7

=99.33 m2

cost of plastering =5×99.33

=496.65

Answer 2

Answer:

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