Question

This is an isosceles trapezoid.
R.
s
75
X
Y У
T
U

Answer 1

y = 105°

Explanation:

In an isosceles trapezoid.

Any lower base angle is supplementary to any upper base angle, that is

y = 180° - 75° = 105°

Answer 2

S=R

75+75=150

360-150=210

210/2=105

y=105