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The only regular shape that has right angles is a square. A regular shape is one where all of its sides are the same length and all of its angles are the same angle.
A right triangle is a notably non-regular shape with a right angle, but this is due to its simplicity and some useful mathematical facts about it. You could basically cut any corner off of a square and get a non-regular shape with right angles. If your cut is shallow enough, you will get a pentagon. If it's too deep, you just get a right triangle. You can keep cutting corners off (preserving the "right" one) to get a figure of any number of sides. It'll just look weird.
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Do all shapes with a right angle have sides that are parallel?
No, right triangles do not.
What is the properties of an right angle triangle?
right-angle triangle has at least one right angle .
Shapes that have one right angle?
Any polygon can have just one right angle, from a right angled triangle upwards.
Do 3D shapes have right angles?
Yes. A right angle is a two-dimensional feature, so while it can appear in obvious places (the corner of a cube has three of them), it can also appear in places that might not be so intuitive (the sharp corner of a cylindrical wedge has at least two, on the sides).
Does a rhombus with at least one right angle have to be a square?
it wouldn't be a rhombus if it had a right angle.
