Question

Abcd is a trapeziun in which ab ii dc .If angle a = angle b = 40

Answer 1

Answer:

140

Step-by-step explanation:

angle a = angle b

angle sum property of quad

angle a+ angle b+ angle c+ angle d=360

x+x+80=360

2x=280

x=140

Answer 2

140 degree angle c and d each as all angles make a sum of 360