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reycaden
27.09.2019 •
Mathematics
Denae paints the front and back of a door. the door is 79 inches high and 34 wide. how many square inches does dane paint.show your work
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Ответ:
Dane will paint 2,686 square inches of paint.
Ответ:
9514 1404 393
0.02
Step-by-step explanation:
We assume your angle is in degrees:
3cot(30°)/230 = 3√3/230 ≈ 0.02259
≈ 0.02 . . . . . rounded to 2 decimal places
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This is a straightforward calculator problem. You may have to use one or another of the identities ...
cot(30°) = 1/tan(30°) = tan(90° -30°) = tan(60°)