**Areas related to Circles ncert solutions Chapter 12 Exercise 12.2 Question 3**

**3.** The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes.

**Solution:**

We need to find area swept by minute hand clock in 5 minutes. In other words, we want to find area of the sector of circle.

**Length of minute hand of circle = 14 cm which is radius of circle.**

We do not know angle of sector yet. Lets find it.

In 60 minutes minute hand covers of angle.

In 1 minute, minute hand covers

In 5 minutes, minute hand covers

**Area of sector of circle =**

**Area of sector =**