NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Ex 9.2

# NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Ex 9.2

NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Ex 9.2 are the part of NCERT Solutions for Class 7 Maths (Rationalised Contents). Here you can find the NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Ex 9.2.

## NCERT Solutions for Class 7 Maths Chapter 9 Perimeter and Area Ex 9.2 (Rationalised Contents)

### The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour? (Take Ï€ = 3.14)Solution:Given, length of the minute hand = 15 cm∴ Radius = 15 cmCircumference = 2Ï€r= 2 × 3.14 × 15 cm = 94.2 cmSince the minute hand covers the distance in 1 hour equal to the circumference of the circle. Hence, the required distance covered by the minute hand is 94.2 cm.Related Links:NCERT Solutions for Maths Class 8NCERT Solutions for Maths Class 9NCERT Solutions for Maths Class 10NCERT Solutions for Maths Class 11NCERT Solutions for Maths Class 12

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