2016 April(73E) Math Question 20

Trigonometry

- Pythagorean Theorem & sin cos tan

20. Carpenters use the term pitch to describe the slope of a roof. For example, a roof with a pitch of 17-1 means the roof has 1 foot of vertical rise for every 4 feet of horizontal distance. The figure below shows a 13-foot-long roof with 5 feet of vertical rise and x feet of horizontal distance. What is the pitch of this roof?

Choice H

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