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A 40 degree acute angle can be constructed with a straight edge and a protractor.
Area of deck = (20+2d)x(40+2d)-(20x40) Area of deck = (20x40)+40d+80d+4d2 -(20x40) Area of deck = 120d+4d2
40 degree Celsius = 104 degree Fahrenheit.
-40 f=-40 c
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