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Mathematics 8 Online
OpenStudy (bloomlocke367):

last question for this unit.

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?

Nnesha (nnesha):

|dw:1433265930207:dw|

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