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Sumadhur

· started a discussion

· 1 Months ago

doubt ??? (Question: 273529.0 )

please explain properly...

Question:

Two circles having same radius 8 cm and centre P and Q. Both circle crosses centre to another. How much the common area of both circle is less than the summation of  13   rd of their area of circles.

Options:
A)

163    cm2

B)

643    cm2

C)

323    cm2

D)

643    cm2

Solution:

Ans: (c)

  

harshit

· commented

· 1 Months ago

hint = first find are of isoceles triangle of sides( 8,8,8sqrt3) difference area of sector with theta =120. then dobule it,, it is common area..
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