Geometry

Can some one PLEASE help me figure out how to solve this. Just a formula or hint would be helpful. Thank you!!

A 10 ft. ladder is leaning against a building and makes an angle of 65 degrees with the ground. How high above the ground is the top of the ladder?

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  1. draw the sketch: right triangle, hyponenuse 10, base angle 65

    h/hypotenuse= sin65

    h= 10*sin65

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    bobpursley
  2. Now what do you mean by sin65? I know it has to do with the calculator. But can you walk me through this

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