Question

Find the value of x its very importamt

Answer 1

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According to theorem-2 :- if a side of a triangle is produced , then the exterior angle so formed is equal to the sum of the two interior opposite angles .

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<A + <B = <C

55⁰ + X = 115⁰

X = 115 - 55

X = 60⁰

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An interior angle of a triangle is greater than either of its interior opposite angles