Question

2. Determine o valor de x na figura. o 15 10 х 12​

Answer 1

Vamos là.

Teorema de Tales

x/15 = 12/10

x = 12*15/10 = 18

Answer 2

$\large\boxed{\begin{array}{l} \underline{ \textsf{teorema de tales}} \\ \\ \sf{ \dfrac{15}{x} = \dfrac{10}{12} } \\ \\ \sf{10x = 12 \times 15} \\ \\ \sf{10x = 180} \\ \\ \sf{x = \dfrac{180}{10} } \\ \\ \boxed{ \boxed{ \sf{x = 18}}} \checkmark\end{array}}$