In a ΔABC, ∠ABC = 2 ∠CAB, If the side BC is extended to D and ∠ACD = 126°, then ∠CAB is :
Answer & explanation
Correct answer: option 3
We know that,
= ∠ABC + ∠CAB = ∠ACD
= 2a + a = 126°
= 3a = 126°
= a = 126°/3
= a = 42°
In a ΔABC, ∠ABC = 2 ∠CAB, If the side BC is extended to D and ∠ACD = 126°, then ∠CAB is :
Correct answer: option 3
We know that,
= ∠ABC + ∠CAB = ∠ACD
= 2a + a = 126°
= 3a = 126°
= a = 126°/3
= a = 42°