147,116 views
19 votes
19 votes
Find measure of missing angle

Find measure of missing angle-example-1
User BenDundee
by
2.6k points

1 Answer

11 votes
11 votes

Answer:

18

Explanation:

properties of a triangle: all the angles add up to 180 degrees

so

180 - 90 - 72 = 18

answer is 18 degrees

User Jeroenh
by
2.9k points