Confused circle

Geometry Level 1

If the circumference of a big circle is 56 cm, determine the sum of small circle circumference !


The answer is 56.

Irvan Ary Maulana Nugroho by Irvan Ary Maulana Nugroho , 20

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3 solutions

Nayanmoni Baishya
Nov 22, 2014

Pi. D=56, a+b+c+d=D, Pi(a+b+c +d) =pi . D, Sum of circumference of smaller circles =pi. 56/pi=56

7 Helpful 0 Interesting 0 Brilliant 0 Confused
Paul Paul
Nov 24, 2014

We have the 2 r π 2r\pi for every single one. This means that if you add the radii (or the diameters) of the smaller circles to form that one you also add the circumferences to also get that of the larger one. SO you'd get the same circumference as the larger circle.

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Fox To-ong
Feb 16, 2015

C = ctotal

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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