Question 8
1 answer:
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Given :
The number is given as 90.
Explanation :
To find the product of prime factors in expanded form
Answer :
Hence the answer is
The circumference is about 3.14 (
) times bigger than twice the radius. Mathematically, this can be writted as 
, where C equals the circumference and r equals the radius, or 
where C equals the circumference and d equals the radius.