The point where any two sides of a triangle meet is called.....

The point where three medians meet is known as......

The side opposite to the  $90\degree$  angle is called.....

The altitudes and medians coincide in.....

The point where the three altitudes of a triangle meet is known as Orthocenter.

If the sum of two sides is more than the third side then triangle cannot be formed.

An equilateral triangle is also an acute angled triangle.