Question

chapter 7 of class 9

Why LCM is taken to find out the time taken by Sonia and Ravi 

Two poles of equal height standing to each other on a road which is 100m wide. From a point between them on the road, the angle of elevation of their tops are 30&60 degree respectively. Find the position of the point and height of the poles.

find the are of triangle O(0,0)P(1,0)Q(0,1)

E FGH IS A RECTANGLE A,B,C,D ARE MIDPOINTS OF THE SIDES  EF,FG,GH,EH RESPECTIVELY.SHOW THAT ABCD IS A RHOMBUS

eway billup

• 2x 5
  

a box contains 1red ball and 3 identical white balls.Two balls are drawn in random in succession without replacement .write the sample space for this experiment

Cbsc history class 9

There is a mistake in Q.16 of exercise 9.2:

How is the (m-1)^th term=a+(m-1)d? Shouldn't it be a+(m-2)d?

AB is a liner segment, and P is its midpoint.D and E are points on the some side of AB such that angleBAD=angleABE and angleEPA=angleDPB show that A)tringleDAP=~TRINGLE AD=BE

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