Answer:
25
Step-by-step explanation:
Using Pythagorean Theorem, which states that:
[tex]a^2+b^2=c^2[/tex]
Where a, b, c denote the side lengths of a right-angled triangle and c is the hypotenuse.
[tex]24^2+7^2=x^2\\\sqrt{24^2+7^2}=x[/tex]
(No negative solution as it is a length)
[tex]\sqrt{576+49}=x\\\sqrt{625}=x\\x=25[/tex]
