Practicing Success
Practicing Success
CUET Preparation Today
In a ΔABC, ∠ABC = 2 ∠CAB, If the side BC is extended to D and ∠ACD = 126°, then ∠CAB is : |
84° 36° 42° 63° |
42° |
We know that, = ∠ABC + ∠CAB = ∠ACD = 2a + a = 126° = 3a = 126° = a = 126°/3 = a = 42° |
