Area of a triangle is :
[tex] \boxed{ \boxed{ \frac{1}{2} \times base \times height}}[/tex]
let's solve :
[tex] \hookrightarrow \: \dfrac{1}{2} \times 35 \times 16[/tex]
[tex] \hookrightarrow \: 35 \times 8[/tex]
[tex] \hookrightarrow \: 280 \: \: {cm}^{2} [/tex]
