Test 6 #20 from the no calculator section

The circle, you’re told, has a radius of 1, so that means its circumference is . The arc between A and B has a length of . How much of the circumference is that?

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Test 6 #20 from the no calculator section

The circle, you’re told, has a radius of 1, so that means its circumference is . The arc between A and B has a length of . How much of the circumference is that?