Trigonometry help: how do I solve these kind of problems
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Trigonometry help: how do I solve these kind of problems

[From: ] [author: ] [Date: 11-05-16] [Hit: ]
b = 10, and a = 4.The study guide says that there is no triangle as the answer, but Im not sure how to prove that.b = 14 cm, c = 10 cm,......
Exam is on Tuesday and I'm a little confused with this problem.

"A", "B", and "C" refer to angles.
"a", "b", and "c" refer to sides.

They correspond.

I'm supposed to find "c", given "A" = 45 degrees, b = 10, and a = 4.

The study guide says that there is no triangle as the answer, but I'm not sure how to prove that.


Second problem I need help with is finding the area of a triangle given

b = 14 cm, c = 10 cm, and A = 50 degrees.

-
Invalid - side 10 is too long
sides: 4, 5.6569, 4
angles: 45°, 90°, 45° is a right isosceles triangle
area: 8 perimeter: 13.6569

SAS: Cosine Law: b² = a² + c² - 2ac cos(B)
sides: 14, 10, 10.7712
angles: 84.6678°, 45.3322°, 50° is an acute scalene triangle
area: 53.6231 perimeter: 34.7712
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