# CBSE Class 10 Maths Area of Triangles

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- question
- in each of the following find the value of k for which the points are collinear . 1) (7,-2), (5,1) ,(3,k)
- In each of the following, find the value of a for which the given points are collinear. (ii) (a-3-2a), (-a+1,2a) and (-4-a,6-2a)
- The 27th question...
- Find the area of the Triangle ABC, with vertex A(1,-4) and midpoint of AB and AC as X(2,-1) and Y(0,-4) respectively.
- in RD Sharma's solution , ex.6.5 , Q.24, why we have taken the value 1/2 with both positive and negative sign. What is the reason for doing this?????
- find the area of triangle whose vertices are( - 8, 4)( - 6, 6) and (-3, 9)
- If (2,4),(2t,6t),(3,8) are collinear, then t=
- Find the area of a triangle whose vertices are A(6,3), B(-3,5) and C(4,-2).
- Show that the points A (a, b+c), B (b, c + a) and C (c, a + b) are collinear.

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