Math, asked by CREATORJO, 2 days ago

When the sun is at an angle of elevation 30° the shadow of a tree is 30m.What is the height of the tree? ​

Answers

Answered by yangjungwonn
0

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Answered by Sweetiepie34
15

Answer:

AB is the tower , BC is the length of the shadow of tower when altitude is 30

i.e the angle of elevation of the top of the tower from the tip of the shadow is 30

and DB is the length of the shadow, when the angle of elevation is 60

Given, BC = 30 m

In △ABC

tan30

=

BC

AB

3

1

=

30

AB

⇒AB=

3

30

=10

3

m

Now,

In △ABD

tan60

=

BD

AB

3

=

BD

10

3

⇒BD=10m

Option C is correct

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