Wednesday, September 21, 2011

CBSE MATH STUDY: Sample Paper 2011-2012 | First Term | Mathematics|9th

CBSE MATH STUDY: Sample Paper 2011-2012 | First Term | Mathematics| 9th
Q.1Two lines are respectively perpendicular to two parallel lines. Show that they are parallel to each other.
Q.2 Prove that two lines that are respectively perpendicular to two ntersecting lines intersect each other.

Q.3Bisectors of interior ∠B and exterior ∠ACD of a Δ ABC intersect at the point T. Prove that ∠ BTC =1/2 ∠ BAC.
Q.4. BP and CP are bisector of In a triangle AC>AB Prove that (i) PC > PB (ii) BD > PD (iii)DC>PD

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