Question

The area of a ∆ with vertices (-1,2),(4,0),(3,9) is ?

Answer 1

Answer:

Step-by-step explanation:

The area of a triangle formed by joining the points (x₁, y₁), (x₂, y₂) and (x₃, y₃) is

½ |y₁ (x₂ - x₃) + y₂ (x₃ - x₁) + y₃ (x₁ - x₂)| sq. units

so putting values u get area equals to21.5  square units

Answer 2

Answer:

here is ur answer

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