1.

At 15 °C the height of Eiffel tower is 324 m. If it is made of iron, what will be the increase in length in cm, at 30 °C?

Answer»

Temperature in (CELCIUS)=15 degrees
Height in this temperature=324m
New Temperature =30 degrees
New length=?
THEREFORE new length is =324×30÷15
=648m
We know ,
To CONVERT metre into centimetre we have multiply the number by 100
As,1 m = 100 cm
648m = 648×100
=64800cm
Hence,the height of Eiffel tower at 30 degrees will be 64800cm.

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