Question

Four circles each of radius 1 cm touch in such a manner that one
circles. Find the area enclosed between the circles.
circle touches two circles .Find the area enclosed between the circle.​

Answer 1

Answer:

Step-by-step explanation:

The area enclosed between these three circle is .

The centre of all the three circles is joined by means of a line segment.  

We know that the radius of each circle is 3.5 cm.  

Therefore,

This shows that, ΔABC is found to be an equilateral triangle whose side is 7 cm.  

It is clearly known that the angle between two adjacent sides of an equilateral triangle is 60°  

∴ Area of sector with angle .

Now,

Required area  

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