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Home > MC1 > Chapter 4 > Lesson 4.3.4 > Problem 4-123


Use the values given below for the lengths in the diagrams from problem 4-122 to find the total length of each segment. For example, if were equal to units in part (a) of problem 4-122, the line segment would be units long.

  1. Part (a) using

    Remember that the expression for part (a) is .
    If you put in the value for and simplified the expression, what answer would you get?
    Try the problem on your own before checking the answer.

  2. Part (b) using

    Look back at part (b) of 4-122. Using the expression you wrote, substitute for '''' and simplify the expression.

  3. Part (c) using

    This problem is very similar to parts (a) and (b). If you are having trouble, refer to those problems.