Show that `Delta ABC`, where `A(-2, 0), B(2, 0), C(0,2) and DeltaPQR` where `P(-4, 0), Q(4,0) and R(0,4)` are similar triangles.

Show that Delta ABC with vertices A(-2, 0), B(0, 2) and C(2, 0) is similar to Delta DEF with vertices D(-4, 0), F(4, 0) and E(0, 4).

triangle ABC with vertices A(0-2,0),B(2,0) and C(0,2) is similar to triangle DEF with vertices D(-4,0) ,E(4,0) and F(0,4).

Show that the triangle ABC with vertices A(0, 4, 1), B(2, 3, -1) and C(4, 5, 0) is right angled.

State whether the following statements are true or false. Justify your answer triangle ABC with vertices A (-2,0),B (2,0) and C (0,2) is similar to triangle DEF with vertices D (-4,0) ,E (4,0) and F (0,4).

The vertices of Delta ABC are A(2,4) B(-4, 2) and C(0,0). Find the slopes of AC and AB.

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find angleA .

Consider the triangle ABC with vertices A(1,2,3),B(-1,0,4),C(0,1,2) Find the area of the triangle ABC.

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

Consider the points A(0, 0, 0), B(5, 0, 0), C(3, 0, 4) and D(0, 4, 3). Area of triangle ABC (in square units) is -