PROBLEM # 2
The figure below shows a triangle ABC with the median BD such that angle A = 3(angle C), and angle ADB = 45 degrees. What is angle C?



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Problems from 09/13/12

PROBLEM #1
During long distance flights, the outside temperature at an altitude of 33,000 ft is about -40^oF. What is the temperature in ^oC?

SOLUTION 1
-40^oC.

PROBLEM #2
What is the volume bounded by z=0, z = x² + y² and x² + y² =1?