Answer:
25!
Step-by-step explanation:
[tex]a^{2} +b^{2} =c^{2}[/tex]
^ Pythagorean Theorem ^
a & b = legs
c = hypotenuse
[tex]15^{2} +20^{2} =c^{2}[/tex]
225 + 400 = [tex]c^{2}[/tex]
625=[tex]c^{2}[/tex]
the opposite of squaring is square rooting
[tex]\sqrt{625} =c[/tex]
c=25
hope this helped
