Thread: Find the area of a triangle with vertices A(0, 2), B(8, 2), and C(4, –3).

Find the area of a triangle with vertices A(0, 2), B(8, 2), and C(4, –3).

A) 17
B) 20
C) 15
D) 19
E) 18

Originally Posted by Leo34005

Find the area of a triangle with vertices A(0, 2), B(8, 2), and C(4, –3).

A) 17
B) 20
C) 15
D) 19
E) 18

Start by plotting the points and drawing the triangle. Did you do that?

The height is clearly ______ (please fill in the blank) and the base is clearly _____ (please fill in the blank).

Therefore, using area = 1/2 (base)(height), the area is equal to ______ (please fill in the blank).

can u elaborate on what you said?

Originally Posted by Leo34005

can u elaborate on what you said?

I've told you what to do. Try doing it. Then say where you get stuck.

I drawed the points, how do i get the height and base now?

Originally Posted by Leo34005

I drawed the points, how do i get the height and base now?

Look at your diagram. Loathe as I am to say it, the length of base and height should be completely obvious. The height is 5. The base is left for you.

Mr.Fantastic. I got 20 as my answer. Is that correct or even close?

Originally Posted by Leo34005

Mr.Fantastic. I got 20 as my answer. Is that correct or even close?

20 is the correct answer.

I owe it all to you. Thanks.