At a certain point,the angle of elevation of tower is found to be such that its sine is 3/root34 on walking 48 meter directly towards the tower,the angle of elevation is an angle whose sine is 5/root34.find the height of the tower.
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I think 76 is it true
chiran2:
no its answer is 45 m
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Answer:
Step-by-step explanation:Area of cross section of river= 2 x 45 = 90 m²
so, water flowing into the sea= area of cross section x rate of flowing water
= 90 x 3000
= 270000 m³
there water flowing per minute= 270000 / 60 = 4500 m³
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