Answer:
80 degrees
Step-by-step explanation:
ALL TRIANGLES MUST EQUAL 180 DEGREES!
180-70-30 = 80
Say it with me.
ALL TRIANGLES MUST EQUAL 180 DEGREES!
ALL TRIANGLES MUST EQUAL 180 DEGREES!
ALL TRIANGLES MUST EQUAL 180 DEGREES!
Also, triangle CED reflects over the invisible y-axis. Angle C is shared = 70. Angle E is Angle A, and Angle B is Angle D (which is 80 degrees).
