Question

how far from an 84 foot burning building should the base of the fire truck ladder be placed to reach the top of the building at an angle of 60 degrees with the ground. the ladder is mounted to the truck 8 ft off the ground
The ladder is the hyp. of a rt. triangle

X = ?
Y1 = 8 Ft.
Y2 = 84-8 = 76 Ft.
A = 60o

Tan 60 = Y2/X = 76/X
X = 76/Tan60 = 43.88 Ft. = Dist. from
bldg.

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