If the angles of a triangle be in the ratio 1 : 2 : 7, then the ratio of its greatest side to the least side is

If the angles of a triangle be in the ratio 1 : 2 : 7, then the ratio

1.	If the angles of a triangle be in the ratio 1 : 2 : 7, then the ratio of its greatest side to the least side is
A.	\[1:2\]
B.	0.0840277777777778
C.	\[(\sqrt{5}+1):(\sqrt{5}-1)\]
D.	\[(\sqrt{5}-1):(\sqrt{5}+1)\]
Answer» D. \[(\sqrt{5}-1):(\sqrt{5}+1)\]

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If the angles of a triangle be in the ratio 1 : 2 : 7, then the ratio of its greatest side to the least side is

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