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Get Full Access to Precalculus - 9 Edition - Chapter 8 - Problem 58
Get Full Access to Precalculus - 9 Edition - Chapter 8 - Problem 58

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# To approximate the area of a lake, Cindy walks around the

ISBN: 9780321716835 146

## Solution for problem 58 Chapter 8

Precalculus | 9th Edition

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Problem 58

To approximate the area of a lake, Cindy walks around the perimeter of the lake, taking the measurements shown in the illustration. Using this technique, what is the approximate area of the lake? [Hint: Use the Law of Cosines on the three triangles shown and then find the sum of their areas.]

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Points to Ponder: Chapter 3α Verbs Forms (cont.): As our text tells us, the stem of a verb supplies us with the basic meaning of the verb (e.g. λυ-­‐ means “loose”). Otherwise, the augments or endings added to this stem tell us the following information about a verb. number = singular or plural person = first (I or we), second (you [s.] or you [pl.]), and third (he/she/it or they) tense = present (for now) voice = active (for now) mood = indicative or imperative (for now) We have now learned the following verb forms: Present Indicative sing. plural 1st λύ-ω -----

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