Give me the ncert class 10 solution of chapter ares related to circles .Find the best and easiest way t0 solve this question . Sir please help me to find the exercise 12.3 question no. 10 . The area of an equilateral triangle ABC is 17320.5 cm2. With each vertex of the triangle as centre, a circle is drawn with radius equal to half the length of the side of the triangle (see Fig. 12.28). Find the area of the shaded region. (Use π = 3.14 and √3 = 1.73205).