1.

. The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find(i) its inner curved surface area(i) The cost of plastering this curved surface at the rate of Rs. 40 per m².please Mark me as brainlest for new and upgrade questions​

Answer»

Step-by-step EXPLANATION:

Given:

⇒(i)r= radius=

2

3.5

=1.75 , h= depth of the well=10m

⇒Curved SURFACE area

=2πrh

=(2×

7

22

×1.75×10)m

2

=110m

2

⇒(ii) Cost of PLASTERING = RS 40 per m

2

The cost of plastering the curved surface = Rs (110×40)= Rs 4400.


Discussion

No Comment Found

Related InterviewSolutions