Question

at the cost of 7 4989.60. If the cost of white-washing is < 20 per square metre, find
(i) volume of the air inside the dome.
a inside surface area of the dome,
& A dome of a building is in the form of a hemisphere. From inside, it was white-washed​

Answer 1

Answer:

Area whitewashed =249.48 m

Inner surface area of dome =249.48 m

r=6.3 m

Volume of air inside the dome = Volume of hemisphere

=

3

2

πr

3

=

3

2

×

7

22

×6.3

3

=523.9 m

3