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Mathematics 8 Online
OpenStudy (xofallenangelox):

Help, please? Will medal. A 30° -60° -90° triangle has a hypotenuse with a length of 10. what is the length of the longer leg of the triangle?

OpenStudy (xofallenangelox):

A. 5 B. 5 radical 3 C. 5 radical 2 D. 20

OpenStudy (owikbenstan):

5 Radical 3

OpenStudy (xofallenangelox):

Thank you, but can you explain how you got that, please?

OpenStudy (owikbenstan):

Alright, well, if you draw a triangle and set up the angles, you can use sin or cosine (depending where you place the angles on your triangle) , I personally did sin(60) = x/10 and solved for x, where 60 was the angle at the top of the triangle.

OpenStudy (xofallenangelox):

Oh, then I must've done something wrong... thanks for the help, I appreciate it.

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