38. Find the value of x in isosceles trapezoid ABCD.
Given: AC = 3x - 16 and BD = 10x-86

Answer:
10
Step-by-step explanation:
Diagonals of a isosceles trapezoid are congruent
3x - 16 = 10x - 86 Subtract 3x from both sides and add 86 to both sides
70 = 7x Divide
x = 10