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Question From class 12 Chapter DETERMINANTS

Find values of k if area of triangle is 4 sq. units and vertices are (ii)

Solution :

Area of a triangle is given by,<br> <br> So, putting the given vertices,<br> <br> As Area is square units,<br> <br> <br> <br> <br> <br> <br>

Find the values of k if area of triangle is 4 sq. units and vertices are: (-2,0),(0,4)(0,k)
1:49
Find values of k if area of triangle is 4 sq. units and vertices are (ii)
2:20
Find the values of k if area of tringle is 4 sq. units and dvertices are : (i) (k,0), (4,0), (0,2)
2:24
If area of triangle is 35 sq units with vertices . Then k is (A) 12 (B) (C) (D)
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Find the value of K if area of the triangle is 4 sq. unit and vertices are (K,0),(4,0) and (0,4)
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Find the value of so that the area of the triangle with vertices and is square units.
2:02
For what value of is the area of the triangle with vertices (-2, 5), (k, -4) and (2k +1, 10) equal to 53 square units?
4:10
Find the value of x if the area of triangle is 35 sq. units whose vertices are (x,4),(2,-6),(5,4).
2:52
If the area of a triangle with vertices and is 9 sq. units. Then the value of will be
2:37
are the equation of the sides of the parallelogram and the equation of a diagonal of the parallelogram is . The area of the parallelogram is : (A) 2 sq. units (B) 4 sq. units (C) 6 sq. units (D) 8 sq. units
12:17
Find the values of for which the roots are real and equal in the following equations: (ii)
3:04
The vertices of a triangle ABC are and . If its area be units then number of integral values of is
5:11
The orthocenter of triangle whose vertices are and ) is then
7:52
If the points and with enclosed a triangle of area 18 square units then the centroid of the triangle is equal to
3:12
Find the area of the triangle with vertices at the points: (i) (-1, -8),  (-2, -3) and (3, 2)    (ii) (0, 0),  (6, 0) and (4, 3)
2:54

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