Question

abc is a triangle in which ∠a = 60o, ab = 3 cm and ac = 4 cm. if bd is the perpendicular from b to the side ac, what is the length of bd?

Answer 1

Hello,

BD/AB=sin A
==>BD=sin A * AB=√3/2*3=3/2 *√3=2,598076.... (cm)