### Home > INT2 > Chapter 12 > Lesson 12.1.2 > Problem 12-22

12-22.

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If the length of the diameter of the hot tub is feet, how long does his arm need to be for him to reach the switch and still stay in the tub? (Assume that Dennis will be in the tub when he turns the air jets on and that the switch is level with the top edge of the hot tub.)

Use the Pythagorean Theorem to find the length of