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Home Q & A Board Science-Related Homework Help Mathematics
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|R2r| |R2r|
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11 years ago
Find the missing sides and angles in the right triangle, where a is the side across from angle A, b across from B, and c across from the right angle. (Round your answers to 3 decimal places.)
a = 28, c = 42
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vitalizevitalize
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11 years ago
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#2
11 years ago
im assuming that Angle C is 90 degrees
okay so i think you use the law of sines.
sin(A)/28  =  sin(90)/42

simplified:
what you have to type in your calculator is this:
28sin(90)/42

(28 times sine90 divided by 42)
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