Answer:
1.2
Explanation:
x2 is the missing leg so the formula to find the missing leg to a right triangle is
c squared- b squared=a squared which in this case would be
1.3 ^2 - 0.5^2 = x^2 ( ^ means squared)
1.69 - 0.25 = x^2
1.44 = 1.2
1.2 = missing leg