Question

What's the answer someone please help!!!!!

Answer 1

A^2+B^=C^2
18^2+80^2=C^2
324+6,400=C
6,724=C
Find the square root of 6,724
so that means that 82=C and that is your answer

Answer 2

82, you would use Pythagorean theorem
a^2 + b^2= c^2
18^2 + 80^2 = c^2
add then take the square root