Which fact would help you to solve for x in the diagram shown? A) Angles in an equilateral triangle are congruent. B) The sum of the interior angles in a quadrilateral is 360°. C) Alternate interior angles

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asked Jan 7, 2020 87.2k views

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Which fact would help you to solve for x in the diagram shown?

A) Angles in an equilateral triangle are congruent.
B) The sum of the interior angles in a quadrilateral is 360°.
C) Alternate interior angles formed by a transversal and parallel lines are congruent.
D) The exterior angle of a triangle is equal to the sum of the two remote interior angles.