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Figure This!
What shape is at the
very top of a fire hydrant?
Figure This!
The water control valve on the cover of a fire hydrant has five sides of equal length and five angles of equal measure. Many common household wrenches will not turn these valves. Why not?
The geometric shapes of many objects relate directly to their usefulness. For example, round tires produce a smooth ride, and airplane wings are designed to provide lift.
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