<PRE><B>Question 142702</B>
In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?
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A + B + C = 180
A -3B + 0 = 0
0 + B + C = 90
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Solve the system by any means to get:
A = 90 degrees
B = 30 degrees
C = 60 degrees

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Cheers,
Stan H.</PRE>