Question

the slant height and base radius of a cone is 20m and 7m.find the cost of whitewashing its csa at the rate of rupees 10 per m square​

Answer 1

KINDLY MARK BRAINLIEST IF WORKED

Answer 2

for cone,

slant height =20m

radius =7m

CSA=πrl +πr2

=πr(l+r)

=22/7*7(20+7)

=154/7(27)

=22(27)

=594cm2

rate of rupees 10 per m square = 594*10

= 5940

rupees5940