Question

BD = 5, CX = 3, CD = 5

what does BC equal

Answer 1

BC = 6

Explanation:

since BD = CD then Δ BCD is isosceles.

the line a through D is a perpendicular bisector of BC, then

BX = CX = 3 , so

BC = BX + CX = 3 + 3 = 6