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Exterior Angle Property

In the given ...

Question

In the given figure, $∠ x =$

A

$∠ a + ∠ c$

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B

$∠ b + ∠ c$

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C

$∠ a + ∠ b$

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D

$∠ a + ∠ b + ∠ c$

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Solution

The correct option is A
$∠ a + ∠ c$

$∠ x$ = $∠ a + ∠ c$ .... (exterior angle theorem)

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