An exterior angle is formed by one side of the triangle, and a side EXTENDED outside the triangle. Two angles are like that, ∠4 and ∠2.
Angle 3 is NOT an exterior angle because it is made up of two extended sides. It does not use one of the sides of the triangle.
Answer:
1 1/3
Step-by-step explanation:
x = 4/3 or 1 1/3
Communicative Property: (5+7) +3
Associative prop: (3+5) +7 or (3+7) +5
And the last one, I don’t fully understand what it is asking, but I believe it is asking for the answer which would be 15
