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Mathematics 15 Online
OpenStudy (anonymous):

Any help is really appreciated! Thanks! A ladder 12 feet long makes an angle of 50 degrees with the round as it leans against a barn. To the nearest hundredth, how far up the barn does the ladder reach? A. 8.99 ft B. 10.19 ft C. 9.09 ft D. none of these

OpenStudy (tkhunny):

Did you draw a right triangle, label the ladder-ground angle 50º, label the ladder 12 ft, and then use the sine function?

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