Question

Qual O Valor De X Nos Triângulos?

Answer 1

1.

${a}^{2} = {b}^{2} + {c}^{2} \\ {a}^{2} = {12}^{2} + {16}^{2} \\ {a}^{2} = 144 + 256 \\ {a}^{2} = 400 \\ a = \sqrt{400} \\ a = 20$

C

2.

$d = l \times \sqrt{2} \\ l = \frac{d}{ \sqrt{2} } \\ l = \frac{3 \sqrt{2} }{ \sqrt{2} } \\ l = 3$

D