The area of a circle is A1 and the area of a regular pentagon inscribed in the circle is A2. Then A1 : A2 is A. cos 10 B. sec 10 10 C. 27 Cosec D. none of these 2. A circle is inscribed in a regular hexagon of side 2/3 cm. Find the circumference of the inscribed circle. 4TV3cm 3. An equilateral triangle and a regular hexagon have the same perimeter. If the area of the hexagon is 72/3, calculate the area of the triangle. A. 62.354 . 83.138 . 101.823 D. 103.923 E. 124.708