Question

a triangle and parallelogram have same base and same area if the side of triangle are 26cm,28cm and 30cm and the parallelogram stands on the base 28cm then find the height of the parallelogram

1. In triangle ABC AD perpendicular to Bc such that ADsqure = Bc.  CD prove that ABC is a right angle triangle 
   

 can we get some question sample papers of class 4 . I want the papers of science.

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If the ratio of the sum of the first n terms of two A.P is (7n+1):(4n+27),then find the ratio of their 10th terms

FIND ALL THE ZEROS OF THE POLYNOMIAL P(X)=2X4 - 7X3 + 19X2 -14X+30 IF TWO OF ZEROS ARE ROOT 2 AND - ROOT 2

 when CD ll EF,

                            =Than how can you say about CD llAB