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in cartesian coordinates, the three corners of a triangle are P1=(0,4,4), P2=(4,-4,4), and P3=(2,2,-4) a) find...

in cartesian coordinates, the three corners of a triangle are P1=(0,4,4), P2=(4,-4,4), and P3=(2,2,-4)

a) find the area of the triangle

b) find the shortest distance from the origin

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