The sides of a right angle triangle in ascending order of magnitude are 8cm, (x-2)cm and x cm. Find x

A. 16
B. 17
C. 34
D. 90

Correct Answer: Option B

Explanation
8^2+(x−2)^2=x^2

64+x^2−4x+4=x^2

x^2−4x+68=x^2

−4x=−68

−x=−68/4

=17