The area of the triangle with vertices at \[(a,b+c,)\text{ (}b,c+a)\] – McqOptions

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1.	The area of the triangle with vertices at \[(a,b+c,)\text{ (}b,c+a)\] and \[(c,a+b)\] is
A.	\[0\]
B.	\[a+b+c\]
C.	\[{{a}^{2}}+{{b}^{2}}+{{c}^{2}}\]
D.	\[1\]
Answer» B. \[a+b+c\]

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