Question

the diagram shows a triangle.
what is the value of b?
b = \square^\circ

Explanation:

Step1: Recall triangle angle sum

The sum of angles in a triangle is \(180^\circ\).

Step2: Calculate \(b\)

Let the angles be \(38^\circ\), \(73^\circ\), and \(b\). So, \(b = 180 - 38 - 73\).
Calculate \(180 - 38 = 142\), then \(142 - 73 = 69\).

Answer:

\(b = 69^\circ\)