The 3 inside angles of a triangle need to equal 180 degrees.
You are given 28 for one.
The second on is adding 58 + 77 = 135 degrees.
X = 180 - 28 - 135 = 17 degrees
Answer:
1) 4
2) -11
3) 1
4) -2
Step-by-step explanation:
3-8 equals to -5 because if you stele a number line and count 8 points from three it will equal -5
