A triangle...
...has three sides
...has three angles
...internal angles always add up to 180 degrees
...is a two-dimensional shape
...tessellates
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An equilateral and right triangle are contradictory.
A triangle is equilateral if, and only if, it is equiangular. That is to say, the two statements are equivalent.
A triangle is equilateral if, and only if, it is equiangular. That is to say, the two statements are equivalent.
acute angled triangle,right angled triangle,obtuse angled triangle,isosceles triangle,equilateral triangle, scalene triangle
Six right angle triangles can be drawn inside an equilateral triangle