A wooden flagpole is imbedded 3 m deep at corner A of a concrete horizontal slab ABCD, square in form and measuring 20 ft on a side. A storm broke the flagpole at a point one meter above the slab and inclined toward corner C in the direction of the diagonal AC. The vertical angles observed at the center of the slab and at corner C to the tip of the flagpole were 65° and 35°, respectively, What is the total length of the flagpole above the slab in yards? A. 5.61 B. 16.83 C. 4.32 D. 12.38
A wooden flagpole is imbedded 3 m deep at corner A of a concrete horizontal slab ABCD, square in form and measuring 20 ft on a side. A storm broke the flagpole at a point one meter above the slab and inclined toward corner C in the direction of the diagonal AC. The vertical angles observed at the center of the slab and at corner C to the tip of the flagpole were 65° and 35°, respectively, What is the total length of the flagpole above the slab in yards? A. 5.61 B. 16.83 C. 4.32 D. 12.38
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:A wooden flagpole is imbedded 3 m deep at corner A of
a concrete horizontal slab ABCD, square in form and
measuring 20 ft on a side. A storm broke the flagpole at
a point one meter above the slab and inclined toward
corner C in the direction of the diagonal AC. The
vertical angles observed at the center of the slab and at
corner C to the tip of the flagpole were 65° and 35°,
respectively, What is the total length of the flagpole
above the slab in yards?
A. 5.61
B. 16.83
C. 4.32
D. 12.38
12.
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