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ddddre4460
26.09.2019 •
Mathematics
Find the total length of guy wire needed to secure both sides of a 25ft tv antenna to a flat roof there is a 30 degree angle between the mast and the guy wires. round to nearest hundredth.
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Ответ:
Each guy wire is therefore 25'/cos(30)=28.8675'
Most antenna have (minimum) three guy wires for stability, so total length
L=3*28.8675=866.03 m.
If the diagram shows other than 3 guy wires, multiply 28.8675 by the appropriate number accordingly.
Ответ:
The following set of coordinates represents which figure?
(1, 1), (5, 3), (7, 7), (3, 5)
Rhombus