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O ADDITIONAL TOPICS IN TRIGONOMETRYSolving a triangle with the law of sines: Problem type 1Consider a triangle ABC like the one below. Suppose that A =42°, C=108°, and c=71. (The figure is not drawn to scale.) Solve the triangle.Round your answers to the nearest tenthIf there is more than one solution, use the button labeled "or".В, aO, bBNoor— рSolutionс?XаAb

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O ADDITIONAL TOPICS IN TRIGONOMETRY
Solving a triangle with the law of sines: Problem type 1
Consider a triangle ABC like the one below. Suppose that A =42°, C=108°, and c=71. (The figure is not drawn to scale.) Solve the triangle.
Round your answers to the nearest tenth
If there is more than one solution, use the button labeled "or".
В
, a
O, b
B
No
or
— р
Solution
с
?
X
а
A
b
help_outline

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O ADDITIONAL TOPICS IN TRIGONOMETRY Solving a triangle with the law of sines: Problem type 1 Consider a triangle ABC like the one below. Suppose that A =42°, C=108°, and c=71. (The figure is not drawn to scale.) Solve the triangle. Round your answers to the nearest tenth If there is more than one solution, use the button labeled "or". В , a O, b B No or — р Solution с ? X а A b

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Step 1
Consider the given information on triangle ABC as A = 42°, C 108°, and c
71
Note that, the sum of the measure of three angle in any triangle is 180°
Hence, find the measure of the angle B as follows.
A+ B
C 180°
42° B108° = 180°
150°B 180°
B 180° 150° = 30°
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Consider the given information on triangle ABC as A = 42°, C 108°, and c 71 Note that, the sum of the measure of three angle in any triangle is 180° Hence, find the measure of the angle B as follows. A+ B C 180° 42° B108° = 180° 150°B 180° B 180° 150° = 30°

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