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The round temperature dial on a thermostat has a diameter of 26 millimeters. What is the dial's circumference?
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21 votes
The round temperature dial on a thermostat has a diameter of 26 millimeters. What is the dial's circumference?

User Nmdias
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1 Answer

9 votes

C = 2 x pi x r = pi x d

so

C = 3,14 x 26 = 81,64 mm

User RezaNoei
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