Question

Find values of k if area of triangle is 4 sq. units and vertices are
(k, 0), (4, 0), (0, 2)

Answer 1

Answer:

ar(∆)={x1(y2-y3)+x2(y3-y1)+x3(y1-y2)

4={k(0-2)+4(2-0)+0(0-0)

4=-2k+8+0

4=2(-k+4)

2=-k+4

k=2