14.9k views
2 votes
10 points
Find the measure of the numbered angle.

10 points Find the measure of the numbered angle.-example-1

2 Answers

3 votes

Explanation:

2x +2x+4x+4x =360

12x=360

x=30

angle =4x =30×4 = 120

User Triumphant
by
5.8k points
3 votes

Answer:

90°

Explanation:

2x + 2x + 4x +4x = 12x = 360°

x = 30°

2x = 60°

4x = 120°

by the circle theorems, the inscribed angle is half of its Subtended arc. The answer is illustarted on the attached picture.

10 points Find the measure of the numbered angle.-example-1
User Dauren Akilbekov
by
5.5k points