two!
2 are obtuse, 2 are acute
If there are three right angles, then it makes it a parallelogram, ex: a square or a rectangle
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A trapezoid can have either one or two acute angles.
It fits the description of a trapezoid
A trapezoid always has two acute angles. the base angles have to be acute because the lower base angles and the upper base angles are complementary so since the upper base angle is always obtuse, the lower base angles have to be acute.
A trapezoid can have at most one angle greater than 90 degrees. This angle is typically referred to as an obtuse angle. The other three angles in a trapezoid are acute angles, meaning they are less than 90 degrees.
An acute angle has one angle.