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Ncert solutions

CHAPTERS

EXERCISES

1. Surface Areas and Volumes - Exercise 13.1

2. Surface Areas and Volumes - Exercise 13.2

3. Surface Areas and Volumes - Exercise 13.3

4. Surface Areas and Volumes - Exercise 13.4

5. Surface Areas and Volumes - Exercise 13.5

6. Surface Areas and Volumes - Exercise 13.6

7. Surface Areas and Volumes - Exercise 13.7

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5cm. Find

the outer curved surface of the bowl. (Assume π = 22/7)

Given:

The inner radius of hemispherical bowl = 5 cm

The thickness of the bowl = 0.25 cm

Outer radius of hemispherical bowl = (5 + 0.25) cm = 5.25 cm

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5cm. Find

the outer curved surface of the bowl. (Assume π = 22/7)

Given:

The inner radius of hemispherical bowl = 5 cm

The thickness of the bowl = 0.25 cm

Outer radius of hemispherical bowl = (5 + 0.25) cm = 5.25 cm

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