a question from ch 9 Some applications of trigonometry from std. 10 : The top of the two pole of height 16m and 10m are connected by a wire. If the wire makes an angle of 30 degree with the horizontal, then what is its length?
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2
Answer:
apply phythagorus theorem
Answered by
1
Answer:
12 m
Step-by-step explanation:
Refer the attached figure
Length of pole AB = 16 m
Length of pole CD = 10 m
AC is the wire
The wire makes an angle of 30 with the horizontal(EC) i.e.∠ACE=30°
EB = CD =10 m (refer the figure)
So, AE = AB -EB = 16-10 = 6 m
Now In ΔAEC
Hence the length of the wire is 12 m
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