* Right triangle * square * rectangle
A Right triangle, a parallelogram, a rectangle, a rhombus, a square and a diamond.
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Many shapes have a right angles. For example, a right angled triangle, square or rectangle all contain at least one right angle. Trapeziums may also contain right angles. Any irregular polygon may also contain a right angle.
Squares, rectangles, and some triangles, most commonly. Any polygon could have a right angle if it is irregular.
No because it only has a Right angle. It doesn't have an Obtuse angle, or other angles.
A square and a rectangle have 4 interior right angles also a right angle triangle has 1 right angle of 90 degrees
A square shape for example has 4 right angles and a right angle is 90 degrees.