Let A be the area of a triangle having vertices (x₁, y₁), (x₂, y₂) and (x₃, y₃). Which of the following is correct ?

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Area of Triangle Using Determinants | PadhAiPro

Question

MCQ (Single)Area of Triangle Using DeterminantsCBSE PYQ

If (a, b), (c, d) and (e, f) are the vertices of △ABC and Δ denotes the area of △ABC, then |a c e; b d f; 1 1 1|² is equal to

Using determinants, find the area of △PQR with vertices P(3, 1), Q(9, 3) and R(5, 7). Also, find the equation of line PQ using determinants.

Area of Triangle Using Determinants

If points (2, 3), (0, 4) and (p, 2) are collinear, then the value of p is :

If the area of △ABC with vertices A(3, 1), B(– 2, 1) and C(0, k) is 5 sq. units, then values of k are :

If the area of △ABC with vertices A(3, 1), B(–2, 1) and C(0, k) is 5 sq. units, then values of k are :

If the area of a triangle is 15 sq. units with vertices (3, – 7), (6, 3) and (k, 3), then the value(s) of k is/are :