Question

Complete the following proof.
Note: You cannot use the Exterior Angle Theorem as a reason in this proof.

Given: ANGLE 4 is an exterior angle of the triangle
Prove: M ANGLE 4= M ANGLE 1= M ANGLE 2
http://i40.tinypic.com/214eahf.png

http://i39.tinypic.com/1z1wd35.png

Answer 1

help please explain meow

Answer 2

m4+m3=180 (angles on a straight line)
m1+m2+m3=180 (angles in a triangle)
therefore m4=m1+m2

Answer 3

thanks

Answer 4

yw