Question

find the length of AB

Answer 1

The length of A B is 10m
the diameter of the large circle is 6cm and the diameter is the small size circle is 3.The point A start from the small circle which is 3cm.And there is other circle which is 4cm.The Line segment of A B start from the Small circle which is 3cm and it include 4cm circle(4+4=8 because the line pass through the full circle.One side of the circle is 4cm and the other is also 4cm.)point A is 3cm and point B 3(because the large size of circle is 6cm and half number of six is 3).Then add all numbers.3(small circle)+8(middle circle)+3large circle=10m