In ΔABC, AB = AC and ∠BAC is 50o. Then ∠ABC and ∠BCA are, respectively:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e 65o and 65o
| Understanding/Application |
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ΔABC, AB = AC Angle opposite to equal sides in a triangle are equal. ∠BCA = ∠ABC Let ∠BCA = ∠ABC = x |
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In ΔABC - ∠BCA + ∠ABC + ∠BAC = 180 x + x + 50 = 180 2x = 130 x = 65 |