Question

Find the area of triangle formed by the points (8,-5)(-2,-7) (5,1) using heroins formula

Answer 1

Step-by-step explanation:

1/2(8(-7-1)-2(1-5)+5(-5-7))

1/2(8*-8-2*-4+5*-12)

1/2(-64+8-60)

1/2(-124+8)

1/2(-116)

-58