geometry

if AB=CD, AB is 12-y, CD = 3x-4y, BD = 18, AC = x+y, what is x, y, and AC

  1. 👍
  2. 👎
  3. 👁
  1. No way to tell, unless ABCD is a parallelogram. In that case, AB=CD and AC=BD

    12-y = 3x-4y
    x+y = 18

    (x,y) = (11,7)

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response