From the top of a building of height 13 m, the angles of depression of two points present on opposite sides of the building are observed to be 60° and A. If the distance between the two points is (523√) m then find the value of angle A.
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Answers
Answered by
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Step-by-step explanation:
From point A & B
As shown in figure ΔACD, using
∴tan30
o
=
AC
CD
∴AC
tan30
o
10
=
2/
3
10
∴AC=10.
3
→ In ΔBCD
tan60
o
=
BC
10
BC=
tan60
o
10
=
3
10
Distance between A & B =AC−BC
=10
3
−
3
10
=10(
3
−
3
1
)
=10(
3
3−1
)
=
3
20
m.
Answered by
0
Answer:
first tell what is that other value is it√523 or only 523
also if it is√529?
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