Question

Given the following diagram, find the required measure.

https://media.glynlyon.com/g_geo_2013/3/page69b.gif

Given: m <3 = m <7
m <2 = 60°
m <6 = 115°

m <4 =

10
20
30

Answer 1

@tomhue

Answer 2

Angle 6 = angle 2 + angle 3 because the exterior angle of a triangle is equal to the sum of the two remote interior angles.

Answer 3

Remember, we found m<3 earlier, which was 55 deg. It's equal to m<7, which means what?

Answer 4

so its 10?

Answer 5

Yes!

Answer 6

thnx:)