Question

The radius of hemispher is 3.5cm then its total surface area will be equal to [π=22/7]

Answer 1

Step-by-step explanation:

Given :

• Radius of the hemisphere = 3.5cm

To find :

• It's Total surface Area

Solution :

Total surface area = 2πr²

= 2 × 22/7 × (3.5)²

= 77cm² ans.