True because when they have the same interior angles then they are similar in shape
False.
Yes, by definition. If it not equilateral AND equiangular, then it is not regular.
true.
True.
false true---:]
An equiangular triangle is always equal. A scalene triangle does not have to have any equal sides. Therefore an equiangular triangle in never scalene.
No. Equiangular only implies the angles are the same, but says nothing about the lengths. Two equiangular triangles are always similar, only sometimes congruent.
False.
Yes. Mendeleev did group elements in similar properties.
True
false
True as true can be.
false. you can have a 3 by 5 or a 8 by 29
false
True.
It is true.
Yes, by definition. If it not equilateral AND equiangular, then it is not regular.