Answer:
Step-by-step explanation:

n = 2
2)

n = -4
Answer:
<h2>Yes the circumference is about times greater than their diameters</h2>
Step-by-step explanation:
We will approach this problem by doing a check
Say the diameter of a circle is 4 cm
Hence the radius is 3 cm
We know that the circumference is 

The circumference is about 3 time bigger than the diameter
Let us try another case say the diameter is 6 cm
The radius is 3 cm

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The group of those shapes are parallelograms


Using Long Division, pic below
Your remainder is -61