Question

What is the area of a triangle whose vertices are P(−1, 4), Q(3, 2), and R(3, −4)?

Answer 1

You would use the distance formula to first find the lengths of the sides

Answer 2

Got it, thanks

Answer 3

Draw the triangle , you will see that you can find easily the "base" and "height" to use the formula: area = base * height / 2