Question

# In the given figure △ABC is equilateral. If IB = 6 cm , then IE = ____. 2.5 cm 3 cm 5 cm 4 cm

Solution

## The correct option is B 3 cm △ABC is equilateral .........(Given) In △IBE , ∠IBC=30∘ .........(Bi bisects ∠ABC) sin30∘ = rR ...........(sin30∘ = 12) ⇒ r : R = IE : IB = 1 : 2 IB = 6 cm ⇒ IE = 3 cm

Suggest corrections