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The number of treads in a flight is equal to __________(a) risers in the flight(b) risers plus one(c) risers minus one(d) risers plus three |
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Answer» The correct option is (c) risers minus one Best explanation: The part of the stairway that is stepped on. It is constructed to the same specifications (thickness) as any other flooring. The tread “depth” is measured from the outer edge of the step to the vertical “riser” between steps. The “width” is measured from one side to the other. |
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