Question

at a particular time of day, a 6.4 m high flagstaff costs a shadow which is 9m long.what is the height of a building which casts a shadow 22.5 m in length at the same time?

Answer 1

Heya !

Here's your answer !!


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Height of the flagstaff = 6.4 m

Shadow cast by it = 9 m

Shadow cast by a building = 22.5 m

Therefore,

Height of the building = ?

It is a question of direct proportion.

So ,

=> 22.5 × 6.4/9

=> 2.5 × 6.4

=> 16 m

ANS ) The height of the buiding is 16 m



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Thanks !!

Answer 2

Step-by-step explanation:

9 metres shadow is casted when heigh =6.4m

1m shadow is casted when heigh =6.4/9

22.5m shadow is casted when hiegh =6.4/9*22.5

(6.4*2.5)m

16.00 m

16 m