Answer:
We know triangles have 3 sides, which sum is 180 degrees. Then:
X + 58 + 62 = 180
1. Simplify:
X + 120 = 180
2. Change side of numbers to the right (if they’re there already we don’t change anything), without forgetting to change the sign:
X = 180 - 120
X = 60
Then the „c” angle is 60 degrees. Hope this helps!