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 = frac{-68}{4} = 17)