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Mathematics, 05.12.2019 17:31 7letters22

The crew of a helicopter need to land temporarily in a forest and spot a flat horizontal piece of ground (a clearing in the forest) as a potential landing site, but are uncertain whether it is wide enough. they make two measurements from a (see picture) finding
α = 25° and β = 55°. they rise vertically 100 feet to b and measure
γ = 46°. determine the width of the clearing to the nearest foot.

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