Question

The total surface area of a solid hemisphere is 462cm^2. Find it's diameter​

Answer 1

Answer:

Step-by-step explanation:

Hope it helps you..

Answer 2

Answer:

Let the radius of solid hemisphere = x

Total surface area of solid hemisphere = 3πr^2

3πr^2 = 462

πr^2 = 462 / 3

πr^2 = 154

r^2 = 154 / π

r^2 = 154 × 7 / 22

r^2 = 49

r = √49

r = 7

Diameter (d) = 2 r

d = 2 × 7

d = 14 cm