
Kemal G. answered 05/03/17
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Patient and Knowledgeable Math and Science Tutor with PhD
Hi Meg,
m∠C = 180 - (63+33.5) = 83.5 deg
Now, use law of sines to find the other sides.
a/sinA = b/sinB = c/sinC You know b = 42 units.
Can you do the rest?