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Mathematics 13 Online
OpenStudy (hannahduhe):

Complete each statement. Perpendicular lines intersect to form ___________ angles.

OpenStudy (mathmale):

What does "perpendicular" mean? Could you draw an example? Could you estimate the measure of each angle created when you draw two perpendicular lines?

OpenStudy (mathmale):

Need your involvement if you want my help.

OpenStudy (hannahduhe):

@mathmale perpendicular means at an angle of 90° to a given line, plane, or surface.|dw:1461523467300:dw| each angle is 90

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