A hemisphere dome, open at the base is made from a sheet of fibre. If the radius of the hemispherical dome is 40 cm and 13/170 of the fibre sheet was wasted in making the dome, then find the cost of the de at the rate of ₹ 35 per 100 cm^2.[Use π=3.14]

Open in App

Solution

Suggest Corrections

Similar questions

A dome of a building is in the form of a hemisphere. From inside, it was whitewashed at the cost of Rs. 498.96. If the cost of whitewashing is Rs. 2 per square meter, find the volume of the air inside the dome.
$[A s s u m e π = \frac{22}{7}]$

Q. The hemispherical dome of a building needs to be painted. If the circumference of the base of dome is

17.6

, find the cost of painting it, given the cost of painting is

R s . 5

per

100 c m^{2}

Q. Question 8 (ii)
A dome of a building is in the form of a hemisphere. From inside, it was whitewashed at the cost of ₹ 498.96. If the cost of whitewashing is ₹ 2 per square meter, find the:
volume of the air inside the dome

[A s s u m e π = \frac{22}{7}]

A dome of a building is in the form of a hemisphere. From inside, it was whitewashed at the cost of Rs. 498.96. If the cost of whitewashing is Rs. 2 per square meter, find the inside surface area of the dome,
$[A s s u m e π = \frac{22}{7}]$

A dome of a building is in the form of a hemisphere. From inside, it was white-washed at the cost of Rs 498.96. If the cost of white-washing is Rs 2.00 per square meter, find the

(i) inside surface area of the dome,

(ii) volume of the air inside the dome.

Join BYJU'S Learning Program