If star shape figure have 1 hexagon and 6 equal size triangles on each side, if area of hexagon is `20 cm^2` and area of one triangle is `5 cm^2` then area of star is

Options

A. `25 cm^2`
B. `40 cm^2`
C. `50 cm^2`
D. `65 cm^2`

Answer

C