Question

A hemispherical dome of a buiding
needs to be painted. If the cramprando
of the base of the base of the dome is
0/7.6m the cost of painting. If
the cost of painting u & 500 perm.​

Answer 1

$\huge \fbox \red{answer}$

Circumference of base = 2r = 17.6 m

r = 2.8 m

Area to be painted = curved surface area of hemi-sphere

CSA = 2r^2

= 49.28 m^2 = 492800 cm^2

Cost of painting = ₹ 492800 × 5/100 = ₹ 24640