Asked by sarah
6. You are given a sheet of cardboard that is 8.0 in. x 11.0 in. How many full circles with a diameter of 3.0 inches can you cut from the cardboard? What is the percentage of waste if the
Answers
Answered by
PsyDAG
It would help if you proofread your questions before you posted them. "if the...?"
6 3-inch diameter circles can be cut within a 6 by 9 inch sheet.
6 3-inch diameter circles can be cut within a 6 by 9 inch sheet.
Answered by
Henry
a. At =8*11= 88 in^2 = Total area.
Ac = pi*r^2 = 3.14 * 1.5^2 = 7.07 in^2. = Area of each circle.
As = 3 * 3 = 9 in^2. = Area of a 3 in square in which the circle can be inscribed.
At/As = 88/9 = 9.78 or 9 = The number of squares = the number of circles that can be cut.
b. 9Ac Aw= 88.
63.63 + Aw = 88, Aw = 24.37 in^2 = Area wasted.
%Waste = (24.37/88)*100% = 27.7
Ac = pi*r^2 = 3.14 * 1.5^2 = 7.07 in^2. = Area of each circle.
As = 3 * 3 = 9 in^2. = Area of a 3 in square in which the circle can be inscribed.
At/As = 88/9 = 9.78 or 9 = The number of squares = the number of circles that can be cut.
b. 9Ac Aw= 88.
63.63 + Aw = 88, Aw = 24.37 in^2 = Area wasted.
%Waste = (24.37/88)*100% = 27.7
Answered by
LOrd
124
Answered by
dgtyu
21
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