Question

find the measure of X in each of the following ​

Answer 1

Answer:

X= 50°

Step-by-step explanation:

180°-40°=140°

We know that angle sum property of a quadrilateral is 360°

Then, 140°+120°+ x +x = 360°

260°+2x = 360°

2x = 360°-260°

2x = 100°

x = 100°/2

x = 50°