11. Two circles of equal radii are inscribed within a regular hexagon, as shown in figure. The sides of the hexagon are of length l, and the circles are tangent at T. The common radius of these circles can be expressed ad a+b, where a and b are integers. The value of (a + b) is equal to-(a) -2(b) -1(c) 1(d) 2

Deepak Patra , 11 Years ago

Grade upto college level