Question

The coordinates of the plotted points are left parenthesis 0 comma 3 right parenthesis, left parenthesis 6 comma 3 right parenthesis, and left parenthesis 10 comma 6 right parenthesis. The points are not labeled and are joined by solid lines to form a triangle.

What is the area of the triangle in square units?

(1 point)
Responses

6
6

15
15

18
18

9

Answer 1

The base from (0,3) to (6,3) has length 6 (same y-coordinate). The height to (10,6) is 6 − 3 = 3. Area = 1/2·base·height = 1/2·6·3 = 9.