Answer:
In right triangle MOP,
By using Pythagoras theorem,
????????2 = ????????2 + ????????2
=> 122 + 162
=> 144 + 256
=> 400
MO = 20 cm
In right triangle MPN,
By using Pythagoras theorem,
????????2 = ????????2 + ????????2
=> 212 + 202
=> 441 + 400
=> 841
MP = 29 cm