Answer:
addition
Explanation:
in my opinion iiiikki
ADD
hel p
B. 60°
∠A = 80°
∠B = ∠A/2 = 80°/2 = 40°
∠C = ?
Sum of all interior angles in a triangle = 180°
180° - 80° - 40° = 60°
∴ the measure of ∠C is 60°.
b
Answer: trachea bronchi bronchioles alveoli