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 Right Triangle

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With this given the right triangle, find side c.                                                                                     

(Side a=16.9cm,  angle B=24 degrees)

 

      

 Nov 21, 2014

Best Answer 

 #1
avatar+130511 
+5

Ok....we know an angle, an adjacent side, and we're trying to find the opposite side.....so....the tangent function seems to be what we need...so we have....

tan (24) = opp/ 16.9     multiply both sides by 16.9

16.9 tan (24) = about 7.5 cm

 

 Nov 21, 2014

1+0 Answers

 #1
avatar+130511 
+5
Best Answer

Ok....we know an angle, an adjacent side, and we're trying to find the opposite side.....so....the tangent function seems to be what we need...so we have....

tan (24) = opp/ 16.9     multiply both sides by 16.9

16.9 tan (24) = about 7.5 cm

 

CPhill Nov 21, 2014

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