Question

Please help!!!

What is the value of x?

Enter your answer in the box.

Answer 1

X=5

Explanation:

this is because of the pathagorean thereom

a^2+ b^2= c^2

12^2+b^2=13^2

144+b^2=169

b^2= 169-144

b^2=25

the square root of 25 is five