MEDIUM
10th ICSE
IMPORTANT
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Suppose there are four points A2,4,B6,4,C6,6 and D2,6  which lie in the first quadrant. If we rotate only the axes at an angle of 90° in anticlockwise direction, then what will be the new coordinates of the point C and what will be the name of the figure, when we join adjacent points.

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Important Questions on Section and Mid-Point Formulae

MEDIUM
10th ICSE
IMPORTANT
 Suppose PQ be a pole, whose coordinates are P1,3 and Q3,3 and A be the position of a man whose coordinates are 1,1. If a pole makes an angle of elevation to the point A, then the angle θ is
EASY
10th ICSE
IMPORTANT
 Suppose PQ be a pole, whose coordinates are P1,3 and Q3,3 and A be the position of a man whose coordinates are 1,1. If we shift the origin at 1,1, then the angle θ is?
MEDIUM
10th ICSE
IMPORTANT
The sum of the squares of the distances of a moving point x,y from two fixed points a,0 and-a,0 is equal to a constant quantity 2b2. The value of  x2+y2+a2 is equal to 
MEDIUM
10th ICSE
IMPORTANT
A pointx,y moves, so that the sum of its distances from ae,0 and-ae,0 is 2a. If b2=a21-e2, then x2a2+y2b2 is equal to