21.what kind of a triangle is each of the following?
a) A triangle in which all sides are of different lengths.
b) A triangle in which two sides are equal.
c)A triangle in which all sides are equal.
d)what is a regular three sided polygon called?
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the 45-45-90 right triangle which appears and that the tractor square titling is isosceles or scalene triangle has all sides of different lengths equal currently it has all angles the front measure
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