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2 August, 03:44

The equation cos (35o) = a/25 can be used to find the length of. What is the length of bc? Round to the nearest tenth

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  1. 2 August, 03:57
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    The equation cos (35°) = can be used to find the length of one side of a triangle It could be the length of the altitude or the length of the base depending of which the angle 35° was assigned. But in order for us to proceed with the calculation, we also need the length of the hypotenuse since cos (x) are equal to the length of the adjacent side divided by the hypotenuse. The answer is 20.5
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