te the
from her starting point
A tree breaks at height of more the ground stop torches the found at 15
the foot of the tree. Find the original height of the tree
Prove the following
POOR the triangle POR nicht angled at
Eneth
A gut walk towards the east and then she was towards the worlar
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Answered by
16
Answer:
The broken part of the tree, the part which is still attached to the ground and the ground forms a right angled triangle ABC in which the broken part AB is the hypotenuse, the stump is BC which is perpendicular to the ground CA.
given CA= 8 m
Now applying the trigonometric functions, we have
cos30=
AB
CA
and sin30=
2
1
=
AB
BC
we know CA =8m
2
1
=
AB
8
AB=8
2
m
so, sin30=
2
1
=
AB
BC
=
8
2
BC
BC=4
2
m
Therefore the height of the tree is AB+BC =4
2
(1+2)m
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