Question

Use the image to answer the question.

A triangle is graphed by joining three plotted points on the first quadrant of a coordinate plane. The x and y axes range from 0 to 10 in increments of 2.

What is the area of the triangle in square units?

(1 point)
Responses

9
9

6
6

18
18

15

Coordinates are A(0,3) B(10,6) C(6,3)

Answer 1

The base AC is horizontal from x = 0 to x = 6, so base = 6. The height from that base up to B (y = 6) is 6 − 3 = 3. Area = 1/2 · base · height = 1/2 · 6 · 3 = 9 square units.