Question

Calcule o valor de x nos triângulos retângulos

Answer 1

a)

${x}^{2}=25.9$

${x}^{2}=225\\x=\sqrt{225}$

$\boxed{\boxed{x=15}}$

b)

${x}^{2}=9.5\\ x=\sqrt{9.5}$

$x=\boxed{\boxed{3\sqrt{5}}}$

c)

$5.x=3.4\\5x=12$

$\boxed{\boxed{x=\frac{12}{5}}}$

d)

${x}^{2}=4.16\\ {x}^{2}=64\\x=\sqrt{64}$

$\boxed{\boxed{x=8}}$