The obtuse angle between the lines \[y=-\ 2\] and \[y=x+2\] is [RPET 1984]

The obtuse angle between the lines \[y=-\ 2\] and \[y=x+2\] is �

1.	The obtuse angle between the lines \[y=-\ 2\] and \[y=x+2\] is [RPET 1984]
A.	\[{{120}^{o}}\]
B.	\[{{135}^{o}}\]
C.	\[{{150}^{o}}\]
D.	\[{{160}^{o}}\]
Answer» C. \[{{150}^{o}}\]

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The obtuse angle between the lines \[y=-\ 2\] and \[y=x+2\] is [RPET 1984]

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