The coordinates of the vertices of the triangle are (–8, 8), (–8, –4), and .
Consider QR the base of the triangle. The measure of the base is b = 18 units, and the measure of the height is h = units.
The area of triangle PQR is square units.
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Perimeter and Area of Rhombi, Trapezoids, and Kites
Area of Triangles and Parallelograms