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4-83.

In parts (a) through (c) below, refer to the previous problem. You will find the length of the line segments in problem 4-82 by substituting given values for the variables. For example, if is units in part (a) of problem 4-82, the line segment would be units long. Homework Help ✎

  1. Find the length of the line segment in part (a) of problem 4-82 using .

  2. Find the length of the line segment in part (b) of problem 4-82 using .

    After substituting for , the expression for the length of the line segment is .

  3. Find the length of the line segment in part (c) of problem 4-82 using .

  • Your new expression will look like . Find the value of this expression to determine the length of the line segment.