Question

Figure ABCD is an isosceles trapezoid.

Find the value of x.
B
C
A
3x + 18
11x-6
x = [?]
X
D

Answer 1

3

Explanation:

Diagonals of an isosceles trapezoid are congruent, so:

`3x+18=11x-6 \\ \\ 18=8x-6 \\ \\ 8x=24 \\ \\ x=3`