Answer:
a) 90°
b) 90° - 35° = 55°
c) 65° - 40° = 25°
d) 90° - 65° = 25°
e) 180° - 65° = 115°
f) 180° - 35° = 145°
g) 180° - 40° = 140°
h) 65° + 35° = 100°
180° - 100° = 80°
i) 90° - 40° = 50°
j) 35° + 40° = 75°
180° - 75° = 105°
(the answer is written in bold)
