Question

from a solid cylinder of height 20 cm and diameter 12 cm ,a conical cavity of height 8cm and radius 6cm is hollowed out. find the total surface area of the remaining solid.(use pie =22/7).​

Answer 1

Answer:

60

$\pi60 + 240\pi + 36\pi = 336\pi = 336 \times 22 \div 7 = 1056$