No because they 90 to 200 is 110 but 200 to 325 is 125
110 obviously does not equal 125
Usually you use addition to find a sum.
It is given that the triangle is isosceles right triangle . And in an isosceles right triangle the legs are equal . Let each leg be of x units. Now we use pythagorean identity, which is





So the length of each leg is 
4,9,16 are all options that ratio to 1,2,3
D(2)
C(6)
A(5)
B(4)
https://www.mathsisfun.com/definitions/coefficient.html