erikavarga erikavarga

14-12-2016
Mathematics

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Use the information in the illustration to find the height of the comminications tower. Round answer to the nearest foot.

Use the information in the illustration to find the height of the comminications tower Round answer to the nearest foot class=

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jdogandcharliescene jdogandcharliescene

14-12-2016

you have to set up a proportion and cross multiply

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14-12-2016

You will use tangent ratio since you have the adjacent side and you need the opposite side.
tan 70 = x/20
Multiply both sides by 20.
20tan 70 = 55

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