Answer:
a. 40
Step-by-step explanation:
Before we start answering this question, it is important to know that the sum of all angles within a triangle is 180 degrees. In the triangle provided, we know that one angle equals 90 degrees and another equals 50 degrees.
Given this information, we can simply subtract the given values from 180,
180-90-50=40
The measure angle m equals 40 degrees.
