Question

find the area of triangle​

Answer 1

here is your answer.

Answer 2

x1y1 = 2,0.

x2y2 = -1,3.

x3y3 = 2,4.

Ar of ∆. = 1/2 { x1 ( y2 - y3 ) + x2 ( y3 - y1 ) + x3 ( y2 - y1 ) }.

1/2 { 2 ( 3-4) - 1 ( 4 -0 ) + 2 (3 -0 )

1/2 { 2 (-1) - 1 (4) + 2 (3)

1/2 { -2 - 4 +6 }

1/2 { -6 +6}

1/2 {0} .

0..

I hope it help you...