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devlian [24]
3 years ago
14

at a particular time of a day a 7 m high flag staff casts a shadow which is 8.2 m long what is the building which casts a shadow

20.5 m in length at the same moment
Mathematics
1 answer:
Vsevolod [243]3 years ago
7 0
A flag is perpendicular to its shadow =>
\frac{7}{8.2}  =  \frac{x}{20.5}
=> x = 17.5 m
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