A ladder is resting with the wall at an angle of \[{{30}^{o}}\]. A man is ascending the ladder at the rate of 3 ft/sec. His rate of approaching the wall is

A ladder is resting with the wall at an angle of \[{{30}^{o}}\]. A man

1.	A ladder is resting with the wall at an angle of \[{{30}^{o}}\]. A man is ascending the ladder at the rate of 3 ft/sec. His rate of approaching the wall is
A.	3 ft/sec
B.	\[\frac{3}{2}\]ft/sec
C.	\[\frac{3}{4}\]ft/sec
D.	\[\frac{3}{\sqrt{2}}\]ft/sec
Answer» C. \[\frac{3}{4}\]ft/sec

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A ladder is resting with the wall at an angle of \[{{30}^{o}}\]. A man is ascending the ladder at the rate of 3 ft/sec. His rate of approaching the wall is

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