Answer: x=12
Step-by-step explanation:
We will use the Pythagorean Theorem since we know two sides and it is a right triangle
Pythagorean Theorem is a^2+b^2=c^2
a=5,b=x, c=13
(5)^2+(x)^2=(13)^2
25+(x)^2=169
Subtract 25 from both sides to start solving for x
(x)^2=144
Take the square root of both sides and get x=12
x=12
