Question

.用三角尺和直尺画平行线:

(1)过点A画MN∥BC(如图(1))

(2)过点P画PE∥OA，交OB于点E；画PH∥OB，交OA于点H(图(2))

(3)过点C画CE∥DA，与AB交于点E；过点C画CF∥DB，与AB的延长线交于点F(图(3)).

                                  (1)             (2)           (3)

Answer 1

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