497,303 views
21 votes
21 votes
Someone please help me with this ! (No links) I would really appreciate the help !

Someone please help me with this ! (No links) I would really appreciate the help !-example-1
User Jon Wells
by
3.5k points

1 Answer

24 votes
24 votes

Answer: Since this is the right triangle so


Sin B = (AC)/(AB) =(AC)/(6) \\=> AC = sin(20) * 6 = 5.478 = 5.48

Apply Pythagorean theorem:


AC^(2) +CB^(2) =AB^(2) \\5.48^(2) +CB^(2) =6^(2)


CB = \sqrt{6^(2) -5.48^(2) } = 2.44

User Mitch Lindgren
by
2.9k points
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