Two lines are
perpendicular if the
of their
А
and
Lline are also perpendicular.

If a line is perpendicular to one of the

two given parallel lines then it is also perpendicular to the other line.

As we know that by the theorem of perpendicular transversal theorem that in the plane, if a transverse is perpendicular to one or two parallel lines, then it is perpendicular to the third line. ... Since, they do not touch or interact with each other they are said to be parallel to each other.

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Step-by-step explanation:

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4