Answer:
70°
Step-by-step explanation:
This is a question on angle properties.
Angle K + 35 + 75 = 180 (Sum of angles in a triangle)
Angle K + 110 = 180
Angle K = 180 - 110 = 70°
AC and the length BC.
The length of AB is 7
Very top one is 8
Second from top is 12
Third from top is 20
Fourth from top is 28