In figure, if ∠A = 100o then ∠C = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 80o.
| Understanding/Application |
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ABCD is a cyclic quadrilateral. Sum of opposite angles in a cyclic quadrilateral is 180o. |
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∠A + ∠C = 180o ⇒ 1000 + ∠C = 180o ⇒ ∠C = 80o |