Question

Find the ratio in the below figure

Answer 1

.Area of the scretor-Area of triangle Area of equilateral triangle v3 a2/4,here a=r=1 OA=op=oB=r=l

Ap=V3 ,AB=2

60/360 πr 2-1/2bh... (i)

120/36oπr 2-1/2bh (2)

r=l unit, smaller triangle is equi

eternal other is isoccles area

Ans=2π-2v 3:π-2v 3