Question

The area of an equilateral triangle ABC is 17320.5cm². 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. 12.39). Find the area of the shaded region. (Use π=3.14 and √3 = 1.73205)

Answer 1

Now, area of shaded region= Area of ΔABC-3xArea of a sector of angle 60º​ and radius 100cm