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원의 넓이는 왜 πr²일까?
Author:
Kyoungmin Ryu(류경민)
,
Tim Brzezinski
,
Kyeongsik Choi
Topic:
Area
,
Circle
1.
GeoGebra
2.
GeoGebra
3.
1번과 2번 중 하나를 골라 원의 넓이가 πr²인 이유를 설명해 주세요.
𝜋
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