An approximate formula generally used in determining the tread dimension (T) and riser dimension (R) in a stair is _______.
An approximate formula generally used in determining the tread dimension (T) and riser
dimension (R) in a stair isA) 2T + 2R = 24 in. to 25 in.
B) R +T = 24 in. to 25 in.
C) 2R +T = 24 in. to 25 in.
D) 2T +R = 24 in. to 25 in.
E) none of the above.
C) 2R +T = 24 in. to 25 in.
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