Math, asked by krishrathod2013, 5 months ago

please answer this question ​

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Answered by Anonymous
4

Heya !

Knowledge to be used :-

Sum of two opposite interior angle = Exterior angle.

This is known as Exterior angle property.

56⁰ + X = 123⁰

X = 123⁰-56⁰

X = 67⁰

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