# If the area of the triangle formed by the points (1,2), (2,3), (x,4) is 40sq.unit, then x is

1.   ½,2

2.  2,2/3

3.  -77,83

4.  ½,-1

4

-77,83

Explanation :
No Explanation available for this question

1.  0

2.  3/2

3.  ∞

4.  none

4

Explanation :
No Explanation available for this question

# If the area of the triangle formed by (0,0), (ax2,0), (0,a6x) is 1/2a5sq.unit, then x is

1.  1 or 5

2.  -1 or 5

3.  1 or -5

4.  -1 or -5

4

-1 or -5

Explanation :
No Explanation available for this question

1.  a=b

2.  a < b, b >1

3.  a > b, a >1

4.  1< a< b

4

a < b, b >1

Explanation :
No Explanation available for this question

# If the area of the triangle with vertices (2a,a), (a,a), (a,2a) is 18sq.unit5, then the circumcentre of the triangle is

1.  (3,3)

2.  (6,6)

3.  (9,9)

4.  (0,0)

4

(9,9)

Explanation :
No Explanation available for this question

# The area of the quadrilateral formed by the points (1,2), (2,-3), (-2,4), (0,5) is

1.  10 sq.unit

2.  15 sq.unit

3.  18 sq.unit

4.  20. Sq.unit

4

10 sq.unit

Explanation :
No Explanation available for this question

1.  0

2.  1

3.  -1

4.  1/2

4

1

Explanation :
No Explanation available for this question

# If (-1,2), (4,1) , (7,16) are the three vertices of a parallelogram taken in order, then the fourth vertex and also the area of the parallelogram are

1.  (-4,3), 16 sq.unit

2.  (2,17), 78 sq.unit

3.  (-8,3), 24 sq.unit

4.  (10,-5), 36 sq.unit

4

(2,17), 78 sq.unit

Explanation :
No Explanation available for this question

1.  1

2.  1/2

3.  1/3

4.  1/6

4

1/2

Explanation :
No Explanation available for this question

# I: The points (2,-2), (-1,2), (3,5) are the vertices of a right angles isosceles triangle. II: The points (2,-4), (4,-2), (7,1) form n isosceles t

1.  only I is true

2.  only II is true

3.  both I and II are true

4.  neither I and II are true

4