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Three interior angles of a quadrilateral measure 55, 117 and 120 degrees. What is the measure of the fourth interior angle?

Respuesta :

musiclover10045

4 angles = 360

120 + 117 +55 = 292

360-292 = 68

4th angle = 68 degrees

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Answer:

a. 68

Step-by-step explanation:

Measure of three interior angles of a quadrilateral is 55° , 117° and 120°

Step-by-step explanation:

Let the fourth interior angle be 'x'

The Interior Angles of a Quadrilateral add up to 360°

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