Write the following statement in five different ways,conveying the same meaning.
$p:$ If a triangle is equiangular,then it is an obtuse-angled triangle.

(N/A) The given statement can be written in five different ways as follows:
$(i)$ $A$ triangle being equiangular implies that it is an obtuse-angled triangle.
$(ii)$ $A$ triangle is equiangular only if it is an obtuse-angled triangle.
$(iii)$ For a triangle to be equiangular,it is necessary that the triangle is an obtuse-angled triangle.
$(iv)$ For a triangle to be an obtuse-angled triangle,it is sufficient that the triangle is equiangular.
$(v)$ If a triangle is not an obtuse-angled triangle,then the triangle is not equiangular.