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professor190 [17]
4 years ago
6

Most staircases in use today have 9−inch treads and 8 1 2 −inch risers. What is the slope of a staircase with these measurements

? Give your answer as a fraction or rounded to four decimal places, if necessary
Mathematics
1 answer:
son4ous [18]4 years ago
6 0
Rise over run
8 1/2÷9 equals .9444
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