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OpenStudy (bloomlocke367):
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OpenStudy (bloomlocke367):
@geerky42 In triangle XYZ, XY=13. YZ=20, and XZ=25. What is the measure of angle Z?
OpenStudy (bloomlocke367):
|dw:1433265703262:dw|
geerky42 (geerky42):
Use law of cosines here.
Nnesha (nnesha):
law of cosine? it's not a right triangle c^2 = a^2 + b^2 -2abcosC
OpenStudy (bloomlocke367):
soooo which is what part?
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Nnesha (nnesha):
|dw:1433265930207:dw|
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