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Set Up an Equation and Solve the Problem π\pi Square Meters

Question 63

Multiple Choice

Set up an equation and solve the problem. The sum of the areas of two circles is 160 π\pi square meters. Find the length of a radius of the smaller circle if one of them is 3 times as long as the other.


A) 16 meters
B) 3 meters
C) 5 meters
D) 4 meters
E) none of these

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