solid mensuration
posted by apolonio .
104. A fly stationed at a point on the circumference of the base of a cylindrical tower of radius 12 ft. finds that he can just see a distance flagstaff by walking along the tangent line to the base either a distance 8 ft. in one direction or a distance 5 ft. in the other direction. Find the distance of the foot of the flagstaff fron the center of the base of the tower.

1.5sqrtof208 ft
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