**Areas related to Circles ncert solutions Chapter 12 Exercise 12.3 Question 2**

**2.** Find the area of the shaded region, if radii of the two concentric circles with center O are 7 cm and 14 cm respectively and .

**Solution:**

Let radius of bigger circle = r1 which is equal to 14 cm.

Let radius of smaller circle = r2 which is equal to 7 cm.

**Area of shaded portion = Area of sector AOC - Area of sector BOD**

Area of shaded portion=