A club swimming pool is 33 ft wide and 45 ft long. The club members want an exposed aggregate border in a strip of uniform width around the pool. They have enough material for 504 fr2 . How wide can the strip be?

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

5floors between office and car