Answer:
need a answer
Step-by-step explanation:
Answer:
. 0625
Step-by-step explanation:
1/2^4
or
1/16
just doing half life
Step-by-step explanation:
40° + 90° + 90° + angle ACB = 360°
220° + angle ACB = 360°
angle ACB = 360° - 220°
Therefore angle ACB = 140°
Hope it will help :)