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Quadrilateral abcd ​ is inscribed in this circle. What is the measure of ∠a ? C is 43.

Quadrilateral abcd ​ is inscribed in this circle. What is the measure of ∠a ? C is 43.
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Quadrilateral abcd ​ is inscribed in this circle. What is the measure of ∠a ? C is 43.

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User Pravin Satav
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7.7k points

1 Answer

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opposite angles are supplements (equal to 180°).

∠a + ∠c = 180°

∠a + 43° = 180°

∠a = 137°


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User Berserkk
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