Math, asked by simi8179, 5 months ago

A hemispherical dome is whitewashed from the inside at rs 308 at the rate of rs 4 per m^2. find the inner surface area and also the volume.

Answers

Answered by abhijtghoshal2016
1

Answer:

DIY( DO IT YOURSELF)

Area of Road = Area of Circle1 – Area of Circle2

= πR² - πr²

(R = 75/2 = 37.5m,

r = 37.5 – 3.5 = 34m)

= 22/7 (37.5 × 37.5 – 34 × 34)

= 22/7 × 250.25

= 5505.5/ 7

Area of Road = 786.5 m²

Cost of Construction @200 per m²

= 786.5 × 200

= Rs. 157300

Similar questions