Question

there is a diagram with two horizontal lines (parallel) and a transversal intersecting them. the angle between the upper horizontal line and the transversal is ( x^circ ), and the angle between the lower horizontal line and the transversal is ( 99^circ ). we need to find the value of ( x ).

Explanation:

Step1: Identify angle relationship

The two angles are supplementary (form a straight line).

Step2: Set up equation

$x + 99 = 180$

Step3: Solve for x

$x = 180 - 99 = 81$

Answer:

81