Asked by Blurryface

write the following reversible statement as a biconditional:
If two perpendicular lines intersect, they form four 90 degree angles.

-Two intersecting lines are perpendicular if and only if they form four angles.
-Two intersecting, perpendicular lines do not form four angles.
-Four 90 degree angles are formed by intersecting lines.
-Perpendicular lines do not intersect.

I think it's the 3rd choice, but please correct me if I'm wrong.

Answers

Answered by PsyDAG
Four 90 degree angles are formed by intersecting <B>perpendicular</B> lines.
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