### Home > PC > Chapter 10 > Lesson 10.2.2 > Problem 10-85

10-85.

Suppose you put a green felt-tip pen on the end of the minute hand of a clock and a red felt-tip pen halfway between the end and the center of the minute hand. During the next hour, as the minute hand goes around the clock, the green and red pens leave marks on the clock face. Describe the figure drawn by the pens.

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