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elsauceomotho
17.11.2020 •
Mathematics
A newly planted tree will be secured by wires, each attached to the ground 1.5 meters from the base of the tree. If each wire is 4 meters long, how high up the tree should each wire be attached, to the nearest tenth of a meter?
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Ответ:
3.7m
Step-by-step explanation:
The set up will form of right angled triangle with;
the length of the wires (the hypotenuse) = 4m
The base of the tree from the wire (adjacent) = 1.5m
The height of the tree(opposite ) = x
According to pythagoras theorem;
hyp² = opp²+adj²
4² = x²+1.5²
16 = x²+2.25
x² = 16 - 2.25
x² = 13.75
x = √13.75
x = 3.708
Hence the tree is 3.7m high (to the nearest tenth)
Ответ:
c
Step-by-step explanation: