Given ADEF, which is not equal to cos(F)? 5
O sin(F).
O sin(D)
O tan(F)
O COS(D)
F
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area = length x width

length = 2 x width

32 = 2 x width x width

32 = 2 x width^2

36 = width ^2  

width = 6

length = 12

area is 32

perimeter = 2 x 12 + 2 x 6 = 24 + 12 = 36

step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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simple 80 pieces in 1 sercing so 80*47=3760+20=3780

a is the best answer choice