SOLUTION: LMNP is a rectangle. LN= 9x-14 and MP=7x+4.What is the length of the diagonals?

Algebra ->  Rectangles -> SOLUTION: LMNP is a rectangle. LN= 9x-14 and MP=7x+4.What is the length of the diagonals?      Log On


   

Question 742841: LMNP is a rectangle. LN= 9x-14 and MP=7x+4.What is the length of the diagonals?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
9x-14 = 7x + 4
9x-7x = 4 + 14
2x = 18
x = 9
9(9) -4 = 81 minus 4 = 77
7(9)+4 = 63 + 4 = 67
Then (77)^2 + (67)^2 = (hypotenuse)^2
Can you take it from here?