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Vitek1552 [10]
3 years ago
13

A circle's area is directly proportional to its radius squared.

Mathematics
1 answer:
motikmotik3 years ago
5 0

9514 1404 393

Answer:

  3.14

Step-by-step explanation:

The formula for the area of a circle is ...

  A = πr²

The constant of proportionality is the constant in this equation: π. To two decimal places, the value of π is 3.14.

The constant of proportionality is about 3.14.

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