Find the area of the triangle with vertices at the points: (3, 8), (– 4, 2) and (5, – 1)

Question

Philoid · Accepted Answer

Given: – Vertices of the triangle:

(3, 8), (– 4, 2) and (5, – 1)

We know that,

If vertices of a triangle are (x₁,y₁), (x₂,y₂) and (x₃,y₃), then the area of the triangle is given by:

Now, substituting given value in above formula

Expanding along R₁

sq.units

Thus area of triangle is sq.units