HELP PLS.......................its asking me to "Put your answer in decimal form. "
 
											 
											Answer:
x = 2.5
Step-by-step explanation:
hypotenuse^2 = side^2 + side^2
(x+4)^2 = x^2 + (6)^2
x^2 + 8x + 16 = x^2 +36
we get,
8x = 36 - 16
x = 20/8
x = 2.5