Answer:
cross multiplication
x
What's a quadrilateral that has a 80, 100, 100, 80 degree
2 answers:
We know it's not a rectangle or square, since they are not right angles, and it has two pairs of equal angles, so it could be a rhombus/parallelogram or a trapezoid.
If the equal angles are opposite each other it is a rhombus or a parallelogram, but if the are not (which goes with how you listed the angles) it is a trapezoid.
If the equal angles are opposite each other it is a rhombus or a parallelogram, but if the are not (which goes with how you listed the angles) it is a trapezoid.
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