Question

Find the measurement of angle a.
∠a =

Answer 1

Answer:

The answer is 40

Step-by-step explanation:

since 90 plus 50 is is 140 so 180-140=40.

Answer 2

40 because 50+40=90
the angle is a right angle when added because it is across(i can’t remember the word) for the other 90 degree angle