Question

Sabendo que os triângulos abaixo são semelhantes, calcule x

Answer 1

a)

$\mathsf{\dfrac{x}{10}=\dfrac{4}{20}}\\\mathsf{x=\dfrac{10.4}{20}=\dfrac{40}{20}}$

$\huge\boxed{\boxed{\boxed{\mathsf{x=2}}}}$

b)

$\mathsf{\dfrac{x}{9}=\dfrac{8}{24}}\\\mathsf{x=\dfrac{9.8}{24}=\dfrac{72}{24}}$

$\huge\boxed{\boxed{\boxed{\mathsf{x=3}}}}$