sparrgrovekyle
07.12.2019 •
Mathematics
Given oblique △abc
use the properties of right triangles and △abc to prove the law of sines.
find the length of bc, rounded to the nearest tenth of a unit.
in your final answer for parts a and b, include all of the necessary steps and calculations.
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Ответ:
Step-by-step explanation:
Law of sines states that a/SinA = b/SinB = c/SinC
Substitute
a/Sin46 = 17/Sin31
a/0.71933980 = 17/0.51503807
a/0.71933980 = 17/0.51503807
a/0.71933980 = 17/0.51503807
a/0.71933980 = 33.00726876
Multiply by 0.71933980
a = 23.7434421
Since BC = a, BC = about 23.7 units
Ответ:
Its B
Step-by-step explanation: