a rope is streched from the top of the vertical pole to point 6 meter from thefoot of the pole. the rope make an angle of 60degree with horizontal , how tall is the pole
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Step-by-step explanation:
Let AB be the vertical pole and CA be the rope. Then,
∠ACB=30
o
and AC=20 m
In right △ ABC,
sin30
o
=
AC
AB
2
1
=
20
AB
AB=10 m
Therefore, the height of the pole is 10 m.
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