# 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)

4

(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

4

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)

4

(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

4

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)

4

(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

4

√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

4

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)

4

(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

4

π/3

Explanation :
No Explanation available for this question

1.  18

2.  24

3.  6

4.  8

4