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professor190 [17]

3 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

1 answer:

son4ous [18]3 years ago

6 0

Rise over run
8 1/2÷9 equals .9444

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2 is the right answer

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svlad2 [7]

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