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Area of a circle = radius squared x 3.1416, or diameter squared x 0.7854 |
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Volume of a sphere = radius cubed x 4.1888 |
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Area of a rectangle or square = length x width |
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Volume of cube or rectangular box = length x width x height |
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Area of a right triangle = length x width / 2 |
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Volume of a cylinder = radius squared x 3.1416 x length of cylinder |
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Area of other triangle = base x height at right angle to base / 2 |
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Volume of a cone = radius squared x 1.0472 (e.g. round hopper bottom x height) |
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Volume of a pyramid = area of base x 1/3 the height (e.g. square hopper bottom) |
