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Find the missing angle in each triangle using the property that the sum of angles in a triangle is 180 degrees.

Worksheet titled "Angles in a Triangle" with four triangles, each showing two angles and a missing angle marked with 'x', asking to find the missing angle.

Worksheet titled "Angles in a Triangle" with four triangles, each showing two angles and a missing angle marked with 'x', asking to find the missing angle.

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