Answer:
whats the name of chapter??
C= 1 because 1+2= 3 3x3 = 9 so c equals 1
Step-by-step explanation:
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➷ No it isn't. An irrational number cannot be expressed as a fraction. An example of an irrational number is pi.
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Answer & Step-by-step explanation:
The circumference is basically the perimeter of a circle. The circumference of a circle is found by multiplying the diameter by π (pi):

or by multiplying the radius (which is half of the diameter) by 2 and π:
