Mathematics, 16.06.2020 20:57 trillred
The diameter of a circle is 2 centimeters. What is the length of a 180° arc?
Give the exact answer in simplest form.
I centimeters
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Answers: 1
arc, is the circumference length given by the known formula 
, so the arc subtended by half such angle (that is a 
angle would be: 
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The diameter of a circle is 2 centimeters. What is the length of a 180° arc?
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