Question

answer guys fast... ​

Answer 1

Given:-

• Inner radius of Bowl = 6cm

• Thickness of Bowl = 1cm

To Find:-

• The Outer Curved Surface area of the bowl is.

Formulae used:-

• C. S. A of hemisphere = 2πr²

Where,

• r = radius of Hemisphere

Now,

• → Outer radius = Inner radius + Thickness

• → Outer radius = 6 + 1

• → Outer radius = 7cm

Therefore,

• → C. S. A of Hemisphere = 2πr²

• → C. S. A of Hemisphere = 2 × 3.14 × (7)²

• → C. S. A of Hemisphere = 2 × 3.14 × 49

• → C. S. A of Hemisphere = 307.72cm²

• Hence, The CSA of bowl is 307.72cm².

Therefore, Option "c" is Correct.