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# Angles and Lines

Forgive us for being obtuse, but this is a cute concept, and we think it’s right for you.

**false**?

**true** about the yellow and purple angles?

I) \( l \) and \( m \) are perpendicular.

II) \( l \) and \( n \) are perpendicular.

III) None of the lines in this diagram are perpendicular.

What is the angle measure (in degrees) between 2 perpendicular lines?

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