If the sides of a triangle are p,q and\[\sqrt{{{p}^{2}}+pq+{{q}^{2}}}\], then the biggest angle is [Kerala (Engg.) 2005]

If the sides of a triangle are p,q and\[\sqrt{{{p}^{2}}+pq+{{q}^{2}}}\

1.	If the sides of a triangle are p,q and\[\sqrt{{{p}^{2}}+pq+{{q}^{2}}}\], then the biggest angle is [Kerala (Engg.) 2005]
A.	\[\pi /2\]
B.	\[2\pi /3\]
C.	\[5\pi /4\]
D.	\[7\pi /4\]
E.	\[5\pi /3\]
Answer» C. \[5\pi /4\]

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If the sides of a triangle are p,q and\[\sqrt{{{p}^{2}}+pq+{{q}^{2}}}\], then the biggest angle is [Kerala (Engg.) 2005]

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