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(a)πr2 (b) 2πr (c)πr |
Answer» <strong> The circumference of a circle can be calculated using the expression (b) 2πr </strong><p>The <a href="https://www.cuemath.com/geometry/circumference-of-a-circle/">circumference of a circle</a> is the perimeter of the circle. It is the total length of the boundary of the circle.</p> | |