An Approximate Formula Generally Used in Determining the Tread Dimension

question 29

Multiple Choice

An approximate formula generally used in determining the tread dimension (T) and riser dimension (R) in a stair is

• A)2T + R = 24 in. to 25 in.
• B)2T + 2R = 24 in. to 25 in.
• C)R + T = 24 in. to 25 in.
• D)2R + T = 24 in. to 25 in.
• E)none of the above.

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