A rhombus
Rhombus or paralellogram
It is a right angle triangle
right angle triangle
A right triangle.
A rhombus
Rhombus or paralellogram
Any polygon with 4 or more sides can always have a right angle.
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It is a right angle triangle
right angle triangle
either an obtuse, acute, or right angle
A triangle.
A regular polygon has sides of equal length and each interior angle is the same measure
a polygon with 4 right angles and 4 sides of the same length
A right triangle.
Pythagoras discovered the means for measuring the length of sides of a right angle.