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Source: — Problem Solving |
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by prindaroy » Sun Aug 09, 2009 6:05 pm
Okay, so r = 0.5

Now calculate the perimeter of the first semi-circle = (pi)r = 0.5pi

Perimeter of second circle = 0.5pi too

Now since we know the total length is 15

0.5pi + 0.5pi + 2x = 15

where x is distance between the centers of the two circles

solve that and we get x = (15-pi)/2
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Master | Next Rank: 500 Posts
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by ST » Mon Aug 10, 2009 4:08 am
Thank you
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