Question

Plz tell me right ans only​

Answer 1

Area of ∆ = 1/2[a1(b2-b3) + a2(b3-b1) + a3(b1-b2)]

= 1/2[5(7+4) + 4(-4-2) + 7(2-7)]

= 1/2[55 + (-24) + (-35)]

= 1/2[55 - 59]

= 1/2 × 4

Area of ∆ = 2 square units

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Answer 2

Step-by-step explanation:

hope it helps you see the attachment