Question

8-Calcule a área de um triângulo cuja base mede 25 cm e a altura mede 10 cm.​

Answer 1

$\text{Base}\ \to\ b=25\ cm\\ \text{Altura}\ \to\ h=10\ cm\\\\ \boxed{S=\dfrac{1}{2}bh}\ \to\ S=\dfrac{1}{2}(25)(10)\ \therefore\ \boxed{S=125\ cm^2}$