The above object is a lamp in my living room. My family and I use this lamp for light. There is a flat base highlighted in white that holds up a sturdy straight pole that's highlighted in maroon. The pole holds up the lamp shade and light bulbs. The pole and the base are perpendicular to each other and create ninety degree angles with each other. The pole is a line and the base is plane. This means that a line is perpendicular to a plane.
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