SAT, 08.05.2021 08:10 alayciaruffin076

An architect wants to use the riser-tread formula to design a stairway with a total rise of 9 feet, a riser height between 7 and 8 inches, and an odd number of steps. With the architect’s constraints, which of the following must be the tread depth, in inches, of the stairway? (1 foot = 12 inches)

An architect wants to use the riser-tread formula to design a stairway with a total rise of 9 feet,

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An architect wants to use the riser-tread formula to design a stairway with a total rise of 9 feet,...