Question

tance, a lamp posto
Example7. Gopali
US 328.5m.
ple7. Gopal is worrying that his neighbour can peep into his living room from the top floor
fhis house. He has decided raise the height of the fence that is high enough to block the
w from his neighbour's top floor window. What should be the height of the fence? The
measurements are given in the figure.
Solution: In AABD & AACE
ZB = 2C = 90°
ZA = ZA (common angle)
1.2 m.
AABD - AACE (by AA similarity)
cl--
ACCE
8
1.2
1.5 m.
IT
2x1.2
1.5 m.
Q
8 m.
2.4 = 0.3m
2n.
BD = 2x1.2 2.4
8
8
Total height of the fence required is 1.5 m. +0.3 m. = 1.8m to block the neighbour's view.
Sale 2019-20
Sole 2020​

Answer 1

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