Question

Find the value of x in the triangle shown below.

Answer 1

50°

Explanation:

80+x+x=180

80+2x=180

2x=180-80

2x=100

100/2=50

Answer 2

It should be 50 degrees

Explanation:

180-80= 100 degrees

making the two bottom angles combined angles equal to 100 degrees

100 divided by 2= 50 degrees making x=50 degrees

x= 50 degrees