Respuesta :
Answer:Use the Pythagorean Theorem.
Step-by-step explanation:a^2 + b^2 = c^2
a^2 + 5^2 = 13^2
a^2 + 25 = 169
a^2 = 169 - 25
a^2 = 144
a = 12
Answer:Use the Pythagorean Theorem.
Step-by-step explanation:a^2 + b^2 = c^2
a^2 + 5^2 = 13^2
a^2 + 25 = 169
a^2 = 169 - 25
a^2 = 144
a = 12