Question

an angle of elevation of top of a tree is 60 which is 30m away from the root of the tree. find the height of the tree​

Answer 1

Refer the attachment...XD

Answer 2

From a point 30 m away from the foot of a tower, the angle of elevation of the top of the tower is 30

o

. find the height of tower. (Use

3

=1.732)

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ANSWER

Given the tower is 30m away from point A.

Given angle of elevation of top of tower is 30.

Let the height of tower be x

tan30=

AB

BC

=

3

1

=

30

x

x=

3

30

⋅

3

3

=

3

30×

3

=10

3

∴ Height of tower =10

3

=10×1.732

=17.32m.

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