Question

A hemi_spherical bowl haveing 4adius 2.8cm ,find its curved surface area and volume.​

Answer 1

Answer:

..............

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Answer 2

Answer:

Step-by-step explanation:

csa = 2πr²

      = 2 × 22/7 × 2.8 × 2.8

      = 2 × 22 × 0.4 × 2.8

      = 49.28 cm²

volume = 2/3 πr³

            = 2/3 × 22/7 × 2.8 × 2.8 × 2.8

            = 2/3 × 22 × 0.4 × 2.8 × 2.8

            = 45.99 cm³