TEST OF TRIANGLES_17.07.2017

Do these questions


Q1.DE II BC .Find AE

Q2 .LM II QR , PL/LQ=3/5 and PR=5.6 cm .Find PM 

Q3.CD II LA and DE II AC , .Find CL 

Q4.If the diagonals of a quadrilateral divide each other proportionally , then it is a trapezium. 

Q5.AB II DC , OA=2x+4 , OB = 4x-2 ,OC = x+1 and OD = 4 units .Find the value of x.

Q6.Prove BPT theorem .

Q7.If triangle ABC is similar to triangle DEF .Find x 

Q8. ABCD is a parallelogram prove that (i) DP/PQ=DC/BQ ii) DQ/DP=AQ/DCM

Q9.  Prove that a line drawn through the mid - point of one side of a triangle parallel to another side bisect the third side . 

Q10. Prove that the line joining the mid points of any two sides of a triangle is parallel to the third side.

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