anonymous
  • anonymous
The alternative form of the law of cosines is used to solve for the angle measures of a triangle when given __________. A. All three of the side lengths and no angle measures B. Two of the side lengths and a non-included angle C. Two of the angle measures and no side lengths D. One side length and one angle measure
Geometry
chestercat
  • chestercat
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anonymous
  • anonymous
Recall that the Law of Cosines is: A^2 = B^2 + C^2 - 2BCcos(α) where α = angle opposite to the side of length A A = length of one side B, C = lengths of other sides To determine the angle measure in the triangle, we need angle to be unknown. Thus, we need three side lengths to be known, which corresponds to choice A.
anonymous
  • anonymous
okay can you break it down a little more
anonymous
  • anonymous
Thats kinda as far as I, personally, can go down.

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anonymous
  • anonymous
@Elsa213 @abb0t Can someone else break it down for her?
anonymous
  • anonymous
okay so the answer is what
anonymous
  • anonymous
A
anonymous
  • anonymous
thank you
anonymous
  • anonymous
sorry had a PM message
anonymous
  • anonymous
np
Elsa213
  • Elsa213
>.< Sorry I came late. ;-;

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