Mathematics, 25.10.2019 20:43 RachelCamel

1. the roof of a house is at a 20° angle. an 8 foot solar panel is to be mounted on the roof, and should be angled 38° relative to the horizontal for optimal results. how long does the vertical support holding up the back of the panel need to be?

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1. the roof of a house is at a 20° angle. an 8 foot solar panel is to be mounted on the roof, and sh...