A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.
You call it a parallelogram.
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supplementary
the angle is call and obtuse
A square
A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.
Parallelogram
You call it a parallelogram.
A parallelogram.
A square.
They are supplementary angles.
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a line or supplementary angles.
You call It NOTHING
supplementary
the angle is call and obtuse