find the length of the shadow of a minar 50 meters high , when the altitude of the sun is 30°
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Step-by-step explanation:
Therefore, length of shadow of minar is 100 m.
Answered by
0
Answer:
Correct option is
B
36.6
In right angled △ABC,
tan45
∘
=
BC
AB
1=
BC
50
BC=50m....(1)
In right angled △ABD,
tan30
∘
=
BD
AB
3
1
=
BD
50
BD=50
3
BD=50(1.732)
BD=86.6 m(approx.)....(2)
CD=x=BD−BC=86.6−50=36.6 m(approx.)
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