Question

What's the value of x

Answer 1

$25^{2} = 12.5^{2} + x^{2} x^{2} = 625-156.25 x^{2} = 468.75 x = 21.65$

Answer 2

X² = hyp² - cat²

x² = 625 - 156.25

x² = 468.75

x ≈ 21,6