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anonymous

  • 4 years ago

A railroad crossing sign is a circle with a diameter of 30 in. The manufacturer makes 6 railroad crossing signs from the sheet of aluminum by arranging the signs as shown. About ____ in2 of aluminum is left over after the signs have been made. (Enter only the number rounded to the nearest square inch.)

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  1. anonymous
    • 4 years ago
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  2. anonymous
    • 4 years ago
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    area of the rectangle - 6 * area circle

  3. campbell_st
    • 4 years ago
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    the rectangle has length of 3 diameters and width of 2 diameters... find the area of the rectangle and subtract the area of 6 circles

  4. anonymous
    • 4 years ago
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    1159

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