Question

The thickness of a hemispherical bowl is 0.25cm.The inner radius of the

bowl is 5cm.Find the outer curved surface area of the bowl​

Answer 1

Answer:

Answer:

Step-by-step explanation:

Outer radius = inner radius + thickness 0.25cm + 5cm = 5.25cm c.s.a = 2pie rsquare 2× 22/7 × 5.25 × 5.25= 346.5 cm square

Answer 2

Given:

thickness of the hemisphere = 0.25 cm

Inner radius = 5 cm

To Find:

Find the curved surface area of the hemisphere

Solution

Find the outer radius:

Outer radius = 5 + 0.25

Outer radius = 5.25 cm

Find the curved surface area:

Curved Surface Area = 1/2 x ( 4πr² )

Curved Surface Area = 2πr²

Curved Surface Area = 2π (5.25)²

Curved Surface Area = 173.25 cm²

Answer: 173.25 cm²