September 2018 2 18 Report
Manakah di antara garis garis berikut yang sejajar tegak lurus ataupun tidak keduanya
a.L¹=(- 1,8) dan (3,- 1)
L²=(-2,- 3) dan (1,- 9)

b.L¹=(- 3,6) dan(4,-7)
L²=(2,- 2) dan( -1,8)

c.L¹=(4,4) dan(-8,-5)
L²=(-3,-1) dan(0,-5)

d.L¹=(-2,13)dan(3,- 2)
L²=(0,-1)dan(-2,5)

e.L¹=(-6,0) dan(4,3)
L²=(5,4) dan(-3,-2)

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