Find the orthocentre of ` A B C` with vertices `A(1,0),B(-2,1),` and `C(5,2)`

Find the orthocentre of Delta A B C with vertices A(1,0),B(-2,1), and C(5,2)

Find the area of the triangle with vertices A(1,1,2)B(2,3,5) and C(1,5,5).

Using vectors, find the area of the triangle with vertices A (1, 1, 2), B (2, 3, 5) and C (1, 5, 5).

If G is the centroid of triangle with vertices A(a,0),B(-1,0) and C(b,c) then (AB^(2)+BC^(2)+CA^(2))/(GA^(2)+GB^(2)+GC^(2))=

Consider the triangle ABC with vertices A(1,2,3) , B(-1, 0, 4) and C(0, 1, 2) (a) Find vec (AB) and vec (AC) Find angle A . (c) Find the area of triangle ABC.

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

The orthocentre of the triangle whose vertices are (5,-2), (-1, 2) and (1,4) is

Find the area of the quadrilateral A B C D having vertices A(1,1),B(7,-3),C(12 ,2), and D(7, 21)dot

Find the area of the triangle whose vertices are A (3,-1,2), B(1,-1,-3) and C(4,-3,1).

Find the area of triangle ABC given that vertices are A(2,1,-2) B(1,4,2) and C(3,-1,-1).