Question

find the measure of the missing angle.

Explanation:

Step1: Identify the right angle

The diagram shows a right angle (90°) composed of two angles: 40° and the missing angle.

Step2: Subtract to find the missing angle

Let the missing angle be \( x \). We know that \( 40^\circ + x = 90^\circ \). So, \( x = 90^\circ - 40^\circ \).
\( x = 50^\circ \)

Answer:

\( 50^\circ \)