# Find the length of AB in the given picture.

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In the picture you will see three circles inside a rectangle. The diameter of all the 3 circles are given, based on which you are supposed to find the length of AB.

Find the length of AB in the given picture.

posted Feb 19
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## 1 Answer

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~7.35 cm

You can see below in the picture that AB is equal to sum of sides of 2 triangles with other sides known as 3.5 cm and 2.5 cm and 5 cm and 1 cm.
The required sides are V 3.5^2-2.5^2 and V 5^2-1^2 (V- represents square root)
AB = V 6 + V 24 ~ 7.35 cm

answer Feb 21

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