The excentre of the triangle formed by the points (1,2), (1,5), (5,2) which is opposite to (1,2) is

1.  (7,8)

2.  (4,-1)

3.  (-1,4)

4.  (2,3)

View Answer  
4
Correct Answer :

(7,8)


Explanation :
No Explanation available for this question

If A( -3,4) , B(-1,-2) , C(5,6) and D(x,-4) are vertices of a quadrilateral such that area of ABD=2x area of ?ACD, then x=

1.  6

2.  9

3.  69

4.  96

View Answer  
4
Correct Answer :

69


Explanation :
No Explanation available for this question

If (2,4) , (2,6) are the two vertices of an equilateral triangle , then the third vertex is

1.  (2+√3,5)

2.  (√3-2,5)

3.  (5,2+√3)

4.  (5,2-√3)

View Answer  
4
Correct Answer :

(2+√3,5)


Explanation :
No Explanation available for this question

If (3, 2), (-3, 2), (0, h) arc the vertices of an equilateral triangle and h

1.  2 -√3

2.  2 – 2√3

3.  2- 3√3

4.  3-2√3

View Answer  
4
Correct Answer :

2- 3√3


Explanation :
No Explanation available for this question

The base vertices of a right angled isosceles triangle are (2, 4) and (4, 2) then its third vertex is

1.  (1, 1) or (2, 2).

2.  (2, 2) or (4, 4)

3.  (1, 1) or (3. 3) 

4.  (2,2) or (3, 3)

View Answer  
4
Correct Answer :

(2, 2) or (4, 4)


Explanation :
No Explanation available for this question

In AABC; if AB = 6, BC - 5 and CA = 4 then the length of the median through. B is

1.  √53

2.  √53 /3

3.  √43/2

4.  √53/6

View Answer  
4
Correct Answer :

√53 /3


Explanation :
No Explanation available for this question

If D, E,Fbe the mid points of the sides BC.AC, ABrespectively and AD=3,BE=4 and CF = 5 then AB2 + BC2+CA2 =

1.  50/3

2.  70/3

3.  200/3

4.  100/3

View Answer  
4
Correct Answer :

200/3


Explanation :
No Explanation available for this question

If A(5,2) , B( 10,12) and P(x,y) is such that then the internal bisector of APB always passes through

1.  (20,32)

2.  (8,8)

3.  (8,-8)

4.  (-8,-8)

View Answer  
4
Correct Answer :

(8,8)


Explanation :
No Explanation available for this question

A(3x1, 3y1), B(3x2,3y2),C(3x3,3y3) are vertices of a triangle with orthocenter H at (x1+x2+x3,y1+y2+y

1.  π/2

2.  π/3

3.  π/6

4.  π/4

View Answer  
4
Correct Answer :

π/3


Explanation :
No Explanation available for this question

If (x1,y1), (x2,y2),(x3,y3)are the vertices of an equilateral triangle such that(x1-2)2+( y1-3)2=( x2-2)

1.  18

2.  24

3.  6

4.  8

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question
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