Question

Find the value of x in the parallelogram below.

Answer 1

102

Explanation:

78 and x are adjacent angles.

Sum of adjacent angles is 180 in a parallelogram.

78 + x = 180

x = 180 - 78

x = 102

Answer 2

102°

Explanation:

A parallelogram is a special type of quadrilateral that has both the pair of opposite sides parallel and equal.

78+x= 180( adjacent angles in a parallelogram)

x=180-78=102°