Answer:
2. 70
Step-by-step explanation:
Theorem:
The measure of an exterior angle of a triangle equals the sum of the measures of its remote interior angles.
<CBD is an exterior angle of triangle ABC.
Its remote interior angles are <A and <C.
m<A + m<C = m<CBD
m<A + 75 = 145
m<A = 70
m<CAB = 70
Answer: 2. 70
