直径 10 cm の円の円周はどれくらいですか。(円周率 = 3.14 とします) | 7 | 周囲と面積...
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7. What is the circumference of a circle of diameter 10 cm (Take π = 3.14)?
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find the circumference of circle diameter 10cm, what is the circumference of circle of diameter 10cm
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