Question

38° 27° a = ____

Explanation:

Step1: Recall triangle - angle sum property

The sum of interior angles of a triangle is 180°. So, \(a + 38+27=180\).

Step2: Solve for \(a\)

We can rewrite the equation as \(a=180-(38 + 27)\). First, calculate \(38+27 = 65\). Then \(a=180 - 65\).

Answer:

115