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Mathematics 22 Online
OpenStudy (anonymous):

A roof rises 2.8 feet vertically and 8.1 feet horizontally. What is the grade of the roof?

OpenStudy (anonymous):

19.06 with horihontal

OpenStudy (anonymous):

19.06

OpenStudy (anonymous):

36.0139 %

OpenStudy (anonymous):

its 19.06.... \[\tan^{-1} (2.8/8.1)\]

OpenStudy (anonymous):

Refer to: http://en.wikipedia.org/wiki/Grade_(slope)

OpenStudy (anonymous):

actually in india we dunt study such things till +2 atleast... so i thought this to be just the tangent inverse of the value..... thnx for adding to my knowledge

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