math
posted by sara .
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?

what is 20/cos60 ?

oops 20 cos60
posted by sara .
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?
what is 20/cos60 ?
oops 20 cos60