What is the length of BC?

Answer:
15
Step-by-step explanation:
Using the Pythagorean Theorem, c² = a²+ b², we can find b.
c = 17
a = 8
Rearrange the equation to solve for b:
c² = a²+ b²
c² - a² = b²
b = [tex]\sqrt{c^2-a^2}[/tex]
b = [tex]\sqrt{17^2-8^2}[/tex]
b = [tex]\sqrt{225}[/tex]
b = 15