Answer:
7546cm³
Explanation:
From l² = r² + h² , we have
so, volume of the cone = ⅓ π r² h = ⅓ × 22/7 × 7√7 cm
So , volume of the cone = 1/3πr²h = 1/3×22/7×7√7×7√7×21 cm³
= 7546cm³
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