Question

find the area of the triangle ABC with coordinates as A(1,2) B(2,5) C(-2,-5)?​

Answer 1

1

By Formula of Area of Triangle :- 1/2[x1(y2-y3)+x2(y3-y1)+x3(y1-y2)]

1/2[1(-5-5)+2(-5-2)-2(2-5)]

1/2(10-14+6)

1/2×2

Ans:-1

Hope it helps you .