Question

Find the value of x that makes lines u and v parallel

Answer 1

11

Explanation:

If line u is parallel to line v, then we can write the following equation:

80 + 1 + 9x = 180°

• These angles would be supplementary angles.

81 + 9x = 180°

• Subtract 81 from both sides.

9x = 99

• Divide both sides with 9.

x = 11