MINT is a parallelogram. OM =5x+2 and OI = 17, find MN

Answer :

We have our parallelogram MINT , As :

Her diagonals MN and IT bisect each other at " O " .

So,

OM  =  ON  =  5x  + 2 =17

5x+2=17
5x=15
x=15/5
x=3      ( Ans )