Geometry help please again
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Geometry help please again

[From: ] [author: ] [Date: 12-06-11] [Hit: ]
the reverse is true: perpendicular lines form aright angle.And obviously the statement is true.......
Two lines are perpendicular if and only if they intersect to form a right angle.

Is this a biconditional statement? Yes/No
Is the statement true? Yes/No

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Yes and yes.

Biconditional means that the "if and only if" works both ways. If two lines make a right angle, that is the definition of perpendicular lines. And thus, the reverse is true: perpendicular lines form a right angle.

And obviously the statement is true.
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