JAMB - Mathematics (1979 - No. 20)
One of the following statements is wrong. Which is it?
If a triangle is equiangular then it is also equilateral
If a triangle is equilateral then it is also then it is also equiangular
If two triangles are similar then they are also congurent
The sum of the interior angles of any triangle is 180 degrees
Explicaţie
Two similar triangles are not also congruent