
Jake A.
asked 01/22/13how do i get answers for angle relationships?
please help preparing for test
1 Expert Answer
major relations are"
:
sum of 3 angles = 180 degrees or pi radians
with also if you have a right triangle, the other 2 angles sum to 90
then there's the law of sines and cosines
sinA/A = sinB/B = sinC/C
and
c^2 = a^2 +b^2 -2abcosC where C is the angle opposite side c
with those 3 concepts, you can figure out most triangle problems
and any angle problems can usually be broken down into triangle problems
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Kevin S.
Jake -
Can you be a little more explicit? Is there a specific relationship (or set of relationships) that you have questions on?
01/22/13