sallG0iovabrit1ega sallG0iovabrit1ega
  • 14-03-2017
  • Mathematics
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A bamboo pole is leaning against a tree. if the height of the tree is 12.2 meters and the angle made by pole and the ground is 40°, what is the length of the pole?

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taskmasters
taskmasters taskmasters
  • 24-03-2017
the tree, bamboo pole and the ground will form a right triangle. the length of the pole is the hypotenuse of the right triangle form. so it can be solve using:
sin A = o / h
where A is the angle
o is the oposite side of the angle
h is the hypotenuse

h = o / sin a
h = 12.2 / sin 40
h = 18.7 m is length of the pole
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