Question

Find the missing angle measure
a. 50
b. 140
c.40
d.90

Answer 1

50

Explanation:

triangle always has 180 degrees,

one angle is 40 degrees

one other angle shows a red box on the corner, showing that its a perfect 90 degree angle

40 + 90 = the sum of angles 130

180 - 130 = 50

The last angle is a 50 degree angle

Answer 2

the answer to the missing angle is A. 50