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 is origin and  is a point on the -axis at a distance of 2 units from the origin

Column-I

Column- II

(A)

If  is equilateral triangle, then the coordinates of  can be

(p)

(B)

If  is isosceles such that  is , then coordinates of  can be

(q)

(C)

If  is one side of rhombus of area  units, then other vertices of rhombus can be

(r)

(D)

If  is a chord of circle with radius equal to , then coordinates of point  on the circumference of the circle such that  is isosceles can be

(s)

CODES :

 

A

B

C

D

 

 

a)

P

p,s

p,r

q,s

 

 

b)

q

p,q

s,r

t

 

 

c)

s

p

q

r

 

 

d)

s,t

r

p,s

q

 

 



Question ID - 55401 | SaraNextGen Top Answer

 is origin and  is a point on the -axis at a distance of 2 units from the origin

Column-I

Column- II

(A)

If  is equilateral triangle, then the coordinates of  can be

(p)

(B)

If  is isosceles such that  is , then coordinates of  can be

(q)

(C)

If  is one side of rhombus of area  units, then other vertices of rhombus can be

(r)

(D)

If  is a chord of circle with radius equal to , then coordinates of point  on the circumference of the circle such that  is isosceles can be

(s)

CODES :

 

A

B

C

D

 

 

a)

P

p,s

p,r

q,s

 

 

b)

q

p,q

s,r

t

 

 

c)

s

p

q

r

 

 

d)

s,t

r

p,s

q

 

 

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

1. Given that points are  and

From figure,  is equilateral

Hence,

or  (for first quadrant) or  (for fourth quadrant). Then possible coordinates are

Similarly, for second quadrant, the point is

And for third quadrant, the point is

1. Case (i)

If , then

Hence, point  is . By symmetry, all possible points are

Case (ii)

And 

Hence, point  is .by symmetry, all possible points are

c. 

Let . Area of  is

  and 

Hence,  has coordinates . By symmetry, all possible coordinates are

From the above figure  has coordinates

By symmetry, all possible coordinates are

d. 

 units  radius

 unit

In ,

Since  is isosceles hence point  lies on perpendicular bisector of

Hence, the coordinate  will be  in first quadrant. By symmetry, all possible coordinates of  are

127 votes


127