Question

What is the area of Triangle PQR on the grid?

A triangle PQR is shown on a grid. The vertex P is on ordered pair 2 and 5, vertex Q is on ordered pair 4 and 5, and the vertex R is on ordered pair 3 and 1.

2 square units
3 square units
4 square units
8 square units

Answer 1

remember \( \color{dodgerblue}{\triangle}\color{lightskyblue}{A} \color{lightskyblue}{\scriptsize\text{rea}} =\frac{\color{chocolate}{b} \times \color{teal}{h}} {2} \) ?
\[ \color{chocolate}{b}=2 \ \ sq \ \ units \]
\[ \color{teal}{h} = 4 \ \ sq \ \ units \]