Given A(0,1,0), B(−1,1,2), C(2,1,−1) find the following. The area of the triangle ABC. The angle between AB, and AC. A u

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answerhappygod
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Given A(0,1,0), B(−1,1,2), C(2,1,−1) find the following. The area of the triangle ABC. The angle between AB, and AC. A u

Post by answerhappygod »

Given A(0,1,0), B(−1,1,2), C(2,1,−1) find the following.
The area of the triangle ABC.
The angle between AB, and AC.
A unit vector perpendicular to the plane that contains A, B, and
C.
The distance from A to the line through B and C.
(Step by step please, with explanation. Thank you)
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