Question

alguém pra mim ajudar por favor ​

Answer 1

Para calcularmos a área do triangulo,usamos a seguinte formula:

$\Large{\sf A=\dfrac{B.h}{2}}$

1-

Logo fazemos:

$\Large\red{\boxed{\orange{\boxed{\blue{\begin{array}{l}\rm A=\dfrac{3.8}{2} \\ \\ \rm A=\dfrac{24}{2} \\ \\ \rm A=12 \end{array}}}}}}$

$\Large{ \sf 12\:cm^{2}}$

Letra C)

2-

$\Large\red{\boxed{\orange{\boxed{\blue{\begin{array}{l}\rm A=\dfrac{2.4}{2} \\ \\ \rm A=\dfrac{8}{2} \\ \\ \rm A=4 \end{array}}}}}}$

$\Large{ \sf 4\:cm^{2}}$

Letra C)

$\Large{\text{\tt Bons\:estudos}}$

$\bf\large{\underline{\qquad \qquad \qquad \qquad \qquad \qquad \quad }}\LaTeX$✍

$\sf(\purple{+}~\red{cores}~\blue{com}~\pink{o}~\orange{App}~\green{Brainly})$