A right triangle has a 90 degree angle in it. This is not to be confused with a wrong triangle, which has two 90 degree angles.
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Yes. A right triangle is a triangle that has one 90 degree side. All angles of a triangle have to add up to 180 degrees.
right angle=90 degrees and a right triangle has one side of it that forms a 90 degree angle...as for the naming "right" don't know but it refers to 90 degree angle
90 degree but not just for a triangle it can be 90 degree square or what ever shape you talking about
A right-angled triangle.
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