If P and Q are the points on side CA and CB respectively of right angled at C, prove that
Using pythagoras theorem in
....(1)
Using pythagoras theorem in
....(2)
Using pythagoras theorem in
....(3)
Using pythagoras theorem in
....(4)
Adding eqn(1) and eqn(2)
Putting values from eqn(3) and eqn(4)
Hence, Proved