# SOLUTION: My daughter has asked my help with her math and it has been a very long time since I have worked this kind of problem (below). Please help me with the proper formula to use in show

Algebra ->  Algebra  -> Triangles -> SOLUTION: My daughter has asked my help with her math and it has been a very long time since I have worked this kind of problem (below). Please help me with the proper formula to use in show      Log On

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 564633: My daughter has asked my help with her math and it has been a very long time since I have worked this kind of problem (below). Please help me with the proper formula to use in showing her how to work this type of problem. Thank you. ABC is a 30-60-90 triangle with a right angle at B. Use the measure of the side given to find the measure of the indicated side. BC= 20, find ABAnswer by ankor@dixie-net.com(15660)   (Show Source): You can put this solution on YOUR website!BC is a 30-60-90 triangle with a right angle at B. Use the measure of the side given to find the measure of the indicated side. BC= 20, find AB : We can use the tangent of 60 degrees to find side AB That is: tan(60) = tan(60) = 1.732 = AB = 1.732 * 20 AB = 34.64