Question

Given the following diagram, find the missing measure.

https://media.glynlyon.com/g_geo_2013/3/page68a.gif

m ∠2 = 50°, m ∠ 3 = 100°, m ∠ 4 =


30
50
100
150

Answer 1

for any triangle, the sum of the three interior angles is always 180 degrees
so, the angle 1=180-(50+100)=30 degrees
you can see that the angle 1 and angle 4 form an angle of 180 degrees
then 180-30=angle 4
angle 4=150 degrees

Answer 2

thnx:)

Answer 3

no problem