Question

Copoly
8.
What will be the cost of digging a hole in ground whose diameter is 16 cm and depth is
6 cm at the rate of 50 per cubic cm?
9. The diameter of the base of a cylindrical well is 10 m. How many mugs of 50 ml can be
filled from the water if it is filled with water upto 5 m height. (Take n = 3.14)
10. The radius of a cylinder is 7 cm. If its height is half of its radius, then find its volume,
(Take 1 = 22÷7​

Answer 1

Answer:

8. cost is 60,288

9. 78,50,000 number of mugs

10. volume = 538.51 cubic centimetre

Step-by-step explanation:

Calculate the above problems by using these formulas,

volume = π *(d/2)^2*depth

futher you can refer the attachment material with this explanation