Areas related to Circles....URGENT...!!

Asked by RACHIT_MAHAAN | 8th Jan, 2010, 04:48: PM

Expert Answer:

Dear Student

Side of the square inside the circle=   D cos45

Area of teh square =  D2cos245  =D2/2  ==>(1)

Area of the circle =  π (D/2)2=  π D2/ 4    ==>(2)

Area of teh shaded region you required  A= [  Eqn(2)-Eqn(1)  ] /2  =   [ π D2/ 4 - D2/2 ] /2  =(D2/ 8) ( π-2)

If D=2    A= ( π-2)/2  Sq units.

No need to consider the outer square side at all.

Regards

Team

Topperlearning

 

Regards

Team

Topperlearning

Answered by  | 8th Jan, 2010, 05:32: PM

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