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In triangle XYZ, angle X is 100°, angle Y is 30°, and angle Z is 50°. Side XZ is 6.3 cm. Side XY is 9.C5 cm.

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What do you want to find in the question?

If you're trying to find the 3rd side, use law of sines, or law of cosines.

sinZ/XY = sinX/YZ.
sin50/9.5 = sin100/YZ,
YZ *sin50 = 9.5*sin100,
YZ = 9.5*sin100/sin50 =

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