Product Code: LBNY-0006-101000166
Categories: Primary School Science
The circumference ration demonstration consists of a 100mm diameter circular wheel and a scale below the tray.
Plastic, φ200?, divided into circle area calculation formula and the calculation formula of PI two parts.
The circle area demonstration consists of a 200mm diameter and it is divided into 17 equal parts.
The Circular Area PI Calculation Formula Dem
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