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July 29, 2014

July 29, 2014

Posted by **Joseph** on Friday, January 7, 2011 at 4:04pm.

From the top of a mountain 150 feet high, Jessie stands at the safety rail on the edge and looks below. The angle of elevation from his bike on the ground to Jessie is 38 degrees, how far is Jessie from his bike.Please help me to set this up

Thank you

sin 38 = .6157

.6157 = 150/x

150/.6157 = 243.6

I set this up from the info below that drwls provided

Algebra II - drwls, Friday, January 7, 2011 at 2:25pm

Draw a figure with a right angle triangle connecting Jessie, his bike and the base of the cliff.

38 degrees = arcsin 150/X,

where X is the distance you seek. (It is the hypotenuse of that triangle).

Solve that equation for X

sin38 = 150/X is one way to do it.

Algebra II-please check - Joseph, Friday, January 7, 2011 at 2:32pm

- Algebra-please check -
**bobpursley**, Friday, January 7, 2011 at 4:35pmcorrect.

- Algebra-please check -
**Joseph**, Friday, January 7, 2011 at 5:45pmThank you

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