Example 2

Topic:
Equations
A carpenter cuts a piece of tile into a triangle. Two of the sides are perpendicular. The two perpendicular sides measure 20 centimeters and 21 centimeters. What is the length of the remaining side of the piece of tile?
  1. Set up an equation by using the Pythagorean Theorem.
  2. Determine the length of the remaining side.
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