Question

find the area of triangle ABC ​

Answer 1

let X = (-1, 0)

let Y = (1,0)

Area ABC = Area (AXB - AXY + CBY)

Area AXB = 5×4/2 = 10

Area AXY = 5×2/2 = 5

Area CBY = 2×2/2 =1

Area ABC = 10-5+1 = 6units sq