Question: Answer the given questions about the indicated examples of this section. In Example 7, change 2.65 m to 6.25 m. What is the answer? Data

Answer the given questions about the indicated examples of this section.

In Example 7, change 2.65 m to 6.25 m. What is the answer?

Data from Example 7

A pole is perpendicular to the level ground around it. A guy wire is attached 3.20 m up the pole and at a point on the ground, 2.65 m from the pole. How long is the guy wire? We sketch the pole and guy wire as shown in Fig. 2.35. Using the Pythagorean theorem, and then substituting, we have AC2 = AB2 + BC2 = 2.65 + 3.20 2.65 +3.20 AC

The guy wire is 4.15 m long.

4.15 m

AC2 = AB2 + BC2 = 2.65 + 3.20 2.65 +3.20 AC 4.15 m

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