It is a triangle
triangle
A right(-angled) triangle
A triangle.
A triangle
If a figure is not a triangle then it does not have three sides ,is the contrapositive of the statement given in the question.
It is a triangle
Triangle
triangle
A triangle.
That is a triangle.
That is a triangle.
A right(-angled) triangle
Any triangle has three sides, whether it is a right triangle or not.
A triangle.
A triangle
No. Every triangle has 3 sides, and every figure with 3 sides is a triangle. So no triangle can be a parallelogram. Every parallelogram has 4 sides, and every figure with 4 sides is a quadrilateral. So no parallelogram can be a triangle.