Question

Please help me with this question image attached

Answer 1

Answer:

45

Explanation:

Adjacent angles of a parallelogram are supplementary. (Or, the sum of angles of a quadrilateral is 360°. Either relation will get you to the same answer.)

... x° + 3x° = 180°

... 4x = 180 . . . . . . . . collect terms

... 180/4 = x = 45