A vertical stick is 40 m long casts a shadow 20 m long on the ground. At the same time, a tower of height _______ casts a shadow 50 m long on the ground
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ANSWER
Let the height of tower be
′
h
′
m.
Now, △ABC & △DEF one similar triangles [By AA property]
∴
DE
AB
=
EF
BC
∴
BC
AB
=
EF
DE
⇒
75
h
=
15
30
⇒h=150 m.
∴ Height of tower =150 m.
Hence, the answer is 150 m.
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