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Svetradugi [14.3K]
3 years ago
10

I NEED HELP I DONT UNDERSTAND​

Mathematics
1 answer:
Vikki [24]3 years ago
6 0

Answer:

answers are given below

Step-by-step explanation:

1.

Circumference = 2\pi r

Where 2r = Diameter

Hence

Circumference =  \pi \times Diameter

2.

No there is no such circle in which relationship between Radius and Diameter can be represented without  \pi.

This is because while deriving the relation the angle measurement ts taken into consideration and the angle are measured in radians i.e. in terms of  \pi not degrees.

3. We can not determine the exact circumference because  \frac{22}{7} is a rational number and but its value is approximately taken from  \pi and  \pi is an irrational number

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