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Q.

The moon is about 384400 km from the earth and its path around the earth is nearly circular. Find the circumference of the path described by the moon in lunar month.


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a

2343222km  

b

2254032km  

c

2414032km  

d

2534032km   

answer is C.

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Detailed Solution

Given that the moon is about 384400 km from the earth.
As the path is circular, this distance becomes radius.
The circumference of a circle is,
C=2πr  
⇒C=2× 22 7 ×384400   ⇒C=2414032km   Therefore, the circumference is 2414032km  .
Hence, option 3 is correct.
 
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The moon is about 384400 km from the earth and its path around the earth is nearly circular. Find the circumference of the path described by the moon in lunar month.