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A right angle triangle has 3 sides
A right angle triangle has a 90 degree angle and two acute angles
A right triangle's hypotenuse when squared is equal to the sum of its squared sides.
A right triangle's interior angles add up to 180 degrees
A right triangle will tessellate leaving no gaps or overlaps
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What shapes have right angles?
squares, right triangles, rectangles
Are right triangles also equilateral triangles?
Generally not
What kind of triangles does the Pythagorean theorem work for?
All right-angles triangles. That is triangles that contain one angle at 90 degrees.
Are all scalene triangles acute triangles?
No, scalene triangles can be obtuse, right or acute triangles. A 3 - 4 -5 right triangle (lengths of the sides) is one example of a right-scalene triangle. In fact, with the exception of the [45°, 45°, 90°] right triangle (which is isosceles) all other right triangles are scalene.
Does the Pythagoream Theorem Work on all triangles?
No, only right triangles
