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Chapter: Mensuration· Mathematics Part 2 (Geometry)

Asked in: July 2024 board paper (same type with r = 7 cm, h = 15 cm in July 2025)Complete the following activity to find the volume of a cone if the radius of its base is 7 cm and its perpendicular height is 6 cm.Activity: Here, radius (r) = 7 cm, he…

Asked in: July 2024 board paper (same type with r = 7 cm, h = 15 cm in July 2025)

Complete the following activity to find the volume of a cone if the radius of its base is 7 cm and its perpendicular height is 6 cm.

Activity: Here, radius (r) = 7 cm, height (h) = 6 cm

\(\therefore\) Volume of cone = ____ (Formula)

\(= \dfrac{1}{3} \times \dfrac{22}{7} \times \text{____} \times 6\)

\(\therefore\) Volume of cone = ____ cm\(^3\)

1 answer

Best answer

Answer: Volume of cone = 308 cm\(^3\)

Volume of cone \(= \dfrac{1}{3}\pi r^2 h\)

\(= \dfrac{1}{3} \times \dfrac{22}{7} \times 7^2 \times 6 = \dfrac{1}{3} \times \dfrac{22}{7} \times 49 \times 6 = 22 \times 7 \times 2 = 308\) cm\(^3\).

Blanks: \(\dfrac{1}{3}\pi r^2 h\); \(7^2\) (= 49); 308.

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report
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