Question

in the given figure , Ab//CD ,find x​

Answer 1

Alternate angles are equal

so A = 3x-7

vertically opposite angles are equal angle AEB =56⁰

sum of angles in a triangle =180⁰

4x+5+3x-7+56 =180

7x+54=180

7x = 126

x= 126/7 = 18⁰