Question

the upper part of tree is broken by wind ,the top of the broken part touches the ground at an angle of 30 degree at a point 8 m from the foot of tree .the height of tree is​

Answer 1

Correct option is
C
(10+
3
20
​
)
3m
​

Lenght of the tree =BT=BC+CT
= BC+AC
= ABtan60
0
+AB cosec60
0

=AB(
3
​
+
3
​

2
​
)=10(1+
3
2
​
)
3
​
m
=(10+
3
20
​
)
3
​
m

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