- #1

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## Homework Statement

given the vertices:

(0,0)

(3,1)

(2,3)

(5,4)

## Homework Equations

solving without cross products and with mathematica if available

## The Attempt at a Solution

Te1=[3]

[1]

Te2=[2]

[3]

[det[Ay]]

________

[det[A]]

get you the solution

i got 7

correct?