Find the area of the triangle whose vertices area A(1, 2, 3), B(2, 3, 1) and C(3, 1, 2).
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Answered by
10
Answer:
Area of triangle
Step-by-step explanation:
Direction ratio's of AB(2-1,3-2,1-3)
(1,1,-2)
Direction ratio's of AC(3-1,1-2,2-3)
(2,-1,-1)
Distance AB=
Area of triangle ABC
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Answered by
2
Answer:
Step-by-step explanation:
See attachment
It is not m it is units
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