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co-ordinate geometry

Ask questions of CBSE Class X and discuss the same here. For any doubts relates to CBSE Class X.

co-ordinate geometry

Postby venkatesh » Thu Feb 12, 2009 8:18 pm

hey..
there is a sum given in our NCERT text ,in the chapter co-ordinate geometry.it is in the optional exercise .......
How to find the opp.vertices of a square if the other two vertices are given?
that is it.please help me
thank you
venkatesh
 
Posts: 1
Joined: Thu Feb 12, 2009 8:14 pm

Re: co-ordinate geometry

Postby sunny » Fri Feb 13, 2009 4:10 pm

I hope u have the RD Sharma. Go to page 9.11 and see example 14. This is a HOTS!!!!!!!!!!! questions.

Best of Luck!!! :)
sunny
 
Posts: 6
Joined: Fri Feb 13, 2009 3:41 pm

Re: co-ordinate geometry

Postby kamath » Sat Feb 28, 2009 2:49 pm

Sounds quite simple. square has 4 sides equal and all angles are 90deg.

If the given vertices opposite, draw a line joining them - this gives u one diagonal. find the mid point - using compass - perpendicular bisector method.. draw a circle with the mid point as center, include one vertex. This circle will intersect the perpendicular bisector of the diagonal at the other two vertices
kamath
 
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Joined: Sun Jan 18, 2009 2:37 am


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