Question

alguem manda esse calculo pra mim

Answer 1

a² = 6² + 4²
a = $\sqrt{36 + 16}$
a = $\sqrt{52}$

b² = ($\sqrt{52}$)² + 3²
b² = 52 + 9
b = $\sqrt{61}$

x² = (2$\sqrt{5}$)² + ($\sqrt{61}$)²
x² = (4 x 5) + 61
x = $\sqrt{81}$
x = 9