Hey... The answer is A
Answer:
<em>300 units</em>
Step-by-step explanation:
First answer.
This is called the Arc length, here is the formula:
Arc length = (angle/360)*(2Pi*radius)
So,
(45/360)*(2*3.14*4)
= 3.14
SO Pi !!!!!
9514 1404 393
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The number of subsets of a set with n elements is 2^n, including the empty set and the full set. Your subsets are ...
