You should times each side by 3/2, so your answer is C.
Answer:
The value of y is 14.
Step-by-step explanation:
Given,
Length of AB = 
Length of BC = 
Length of CD =
Since ABCD is an isosceles trapezoid then according to property of trapezoid which is given below;
"In any isosceles trapezoid, two opposite sides (the bases) are parallel, and the two other sides (the legs) are of equal length."
So Length of AB = Length of CD

Hence the value of y is 14.
The answer miss hopes is 1:7