Posted by **sara** on Sunday, May 1, 2011 at 2:18pm.

a 20 foot ladder leaning against a building makes and angle of 60 degrees with the ground. How far from the base of the building is the foot of the ladder?

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**bobpursley**, Sunday, May 1, 2011 at 2:20pm
what is 20/cos60 ?

- math -
**bobpursley**, Sunday, May 1, 2011 at 2:21pm
oops 20 cos60

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