SOLUTION: What is the length of angle b and angle a if given A = 150�, b = 4.8, a = 9.4? b = 14.794 * degrees C = 15.208 * degrees does b = 2,219�?

Question 1077706: What is the length of angle b and angle a if given A = 150�, b = 4.8, a = 9.4?
b = 14.794 * degrees
C = 15.208 * degrees
does b = 2,219�?

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
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What is the length of angle b B and angle a A if given A = 150�, b = 4.8, a = 9.4?
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One of those is already GIVEN; so you need not to solve for the angle at point A.

Draw your triangle and label all of the parts. Understand, typically angle at point P will be opposite side p. Do NOT confuse upper and lower case variable names! You can expect angle at A is opposite side a.

Use Law of Sines to find angle measure at point B.

Do you see that 150 degrees is degrees and so the sine will be the same as for 30 degrees?

Angle measure at point B,

How to find angle measure at point C:
Sum of the interior angles must be 180 degrees.

Already explained in a previous question posting, that you can use Law of Sines again to find length c.
-----C and A are already known.

solve for c.
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