Mathematics, 21.07.2019 18:30 NetherisIsTheQueen

Arain gutter is to be constructed of aluminum sheets 12 inches wide. after marking off a length of 4 inches from each edge, this length is bent up at an angle θ. the area a of the opening may be expressed as the function: a(θ) = 16 sin θ ⋅ (cos θ + 1). if θ = 45°, what is the area of the opening? a. 4.8 in2 b. 20.8 in2 c. 19.3 in2 d. 9.0 in2

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Arain gutter is to be constructed of aluminum sheets 12 inches wide. after marking off a length of 4...