m<x = 131
The sum of the interior angles of a quadrilateral is 360 degrees.
Subtraction property the equality
A quadrilateral with opposite angles congruent is parallelogram.
Simplify (Combine like terms)
choose the correct answer and explain why
1 answer
The correct answer is that a quadrilateral with opposite angles congruent is a parallelogram. This is because the sum of the interior angles of a quadrilateral is 360 degrees, and if opposite angles are congruent, then the sum of the angles must be 360 degrees.