
Maths Crash Course - Live lectures + all videos + Real time Doubt solving!
Last updated at Nov. 15, 2020 by Teachoo
Maths Crash Course - Live lectures + all videos + Real time Doubt solving!
Ex 13.4, 3 Find the total surface area of a hemisphere of radius 10 cm. (Use = 3.14) Radius = r = 10 cm Total surface area of hemisphere = 3 r2 = (3 3.14 10 10) cm2 = (3 314) cm2 = 942 cm2