Question

1. find the value of angle b given the pair of angles are supplementary add to 180°

Explanation:

Step1: Recall supplementary - angle property

Let the two supplementary angles be \(b\) and \(50^{\circ}\). The sum of supplementary angles is \(180^{\circ}\), so \(b + 50^{\circ}=180^{\circ}\).

Step2: Solve for \(b\)

Subtract \(50^{\circ}\) from both sides of the equation: \(b=180^{\circ}- 50^{\circ}\).

Answer:

\(130^{\circ}\)