gambarlah grafik yg melalui titik w(6,4),dn tegak lurus DE dngan D(0,2) dan E(5,0)

m=y2-y1/x2-x1
m=0-2/5-0
m=-2/5

m1.m2=-1
-2/5.m2=-1
m2=-1.-5/2
m=5/2

y-y1=m(x-x1)
y-4=5/2(x-6)
y=5/2x-30/2+4
-----------------------kalikanb2
2y=5x-30+8
2y=5x-22