Give me the best way for solving the question of class 9th of Surface areas and Volumes of exercise 13.4 of math. Give me the easiest way for solving this question in simple way of question no.3 Find the total surface area of a hemisphere of radius 10 cm. [Use π=3.14]
Find the total surface area of a hemisphere of radius 10 cm. [Use π=3.14] Q.3
Radius of hemisphere, r = 10cm
Formula: Total surface area of hemisphere = 3πr2
= 3×3.14×102 = 942
The total surface area of given hemisphere is 942 cm2.