Which expression converts pi over 4 radians to degrees?
Answer
A
pi over 4 times the fraction with numerator pi and denominator 180 degrees
B
pi over 4 times pi
C
pi over 4 times the fraction with numerator 180 degrees and denominator pi
D
pi over 4 times 180 degrees
Explanation
To convert radians to degrees, multiply by 180 degrees per π radians, or 180°/π. Thus, π/4 radians is converted using (π/4) × (180°/π), which is choice A.
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