Question 2 (ii) Take any point O in the interior of a triangle PQR: Is OQ + OR > QR?
Justify the following statements with reasons:
(a) The sum of three sides of a triangle is more than the sum of its altitudes.
(b) The sum of any two sides of a triangle is greater than twice the median drawn to the third side.
(c) Difference of any two sides of triangle is less than the third side.