Law of Sines and Law of Cosines — a Deeper Look Answers
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1
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What is the length of side q, given r = 20, s = 30, and Q = 15°? Round the answer to the nearest tenth. [Not drawn to scale]
A
11.9B
40.7C
140.9D
1659.12
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Which equation represents the Law of Sines for ?
A
StartFraction sine A over b EndFraction = StartFraction sine B over a EndFraction
B
c Sine C = b sine B
C
StartFraction sine A over a EndFraction = StartFraction sine B over b EndFraction
D
b Sine B = a sine A
3
The diagram below shows the dimensions of a triangular park built in a new housing development. Two side lengths and one angle measure are given. [Not drawn to scale]What is the measure of angle X? Round the answer to the nearest tenth.
A
0.6°B
0.8°C
32.4°D
50.5°Did you find these answers helpful?
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