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Kira measures the round temperature dial on a thermostat and calculates that it has a circumference of 13.188 centimeters. What is the dial's radius?

Kira measures the round temperature dial on a thermostat and calculates that it has a circumference of 13.188 centimeters. What is the dial's radius?
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1 vote
Kira measures the round temperature dial on a thermostat and calculates that it has a circumference of 13.188 centimeters. What is the dial's radius?

User Vergel
by
8.9k points

1 Answer

2 votes
C = 2*pi*r
r = C/2pi
= 13.188/2pi
= 2.10 cm
User SabDeM
by
8.1k points
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