What is the length of AB?
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9 or 13 i hope that it is correct
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The diameter of 1st circle is 3
The radius of 1st circle is 1.5
The diameter of 2nd circle is 4
The diameter of 3rd circle is 6
The radius of 3rd circle is 3
from figure we can understand that the length of AB is sum of radius of 1st circle , diameter of 2nd circle and radius of 3rd circle
length of AB = 1.5+4+3
= 8.5
the answer is 8.5
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