Mathematics, 05.11.2019 23:31 24jameb
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 = 60°, what is the area of the opening?
1.2 in2
7.9 in2
16.3 in2
20.8 in2
Answers: 1
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