28-06-2016
Mathematics

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find the circumference and area of the circle having the given diameter of d=13 cm.

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VampireJellyfish VampireJellyfish

28-06-2016

The circumference of a circle can be found from the formula: [tex]2 \pi r[/tex], where r is the radius (half of the diameter).
2 x 3.1415 x 6.2 = 40.84cm

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