your mom is the right triangles

The Babylonians and Indians were the first to study the angles and features of special right triangles. This occurred long before Pythagoras and his followers were credited with the discovery.

30-60-90

45-45-90

It can only have a maximum of one- and that is only if it is a right-angled isosceles triangle.

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Yes not all isosceles triangles are right angle triangles - this is a special case.

It can only have a maximum of one- and that is only if it is a right-angled isosceles triangle.

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Yes not all isosceles triangles are right angle triangles - this is a special case.