Answer:
x = 12
Step-by-step explanation:
This is the type of problem where you are always asked to find out the length of a side
Use Pythagorean Theorem.
Pythagorean Theorem: a^2 + b^2 = c^2 where a = 5 b = x and c = 13
And it makes sense because c is the largest side out of all of em
Anyways substitute a b and c for their given values!
5^2 + x^2 = 13^2
Solve for the exponents
25 + x^2 = 169
x^2 = 169 - 25
x^2 = 144
but that’s not the answer because it is way too large to fit in the shape so square root 144
Square root of 144 = 12
Therefore, x = 12
