Question

Prove that the points (0,9) (b/2,a/2) and (b,0
are collinear​

Answer 1

Answer:

Step-by-step explanation:

Area of triangle = 1/2[x1(y2-y3)+x2(y3+y1)+x3(y1-y2)

0 =0(a/2-0)+b/2(0-9)+b(9-a/2)

0=[9-a]

a=9