Q. 13.7( 11 Votes )

# <span lang="EN-US

Answer :

Volume of cylinder = π × r2 × h

1. r = 10.5 cm, h = 8 cm

Volume = π × r2 × h

= 3.14 × 10.52 × 8

= 2772 cm3

2. r = 2.5 m, h = 7 m

Volume = π × r2 × h

= 3.14 × 2.52 × 7

= 137.5 cm3

3. r = 4.2 cm, h = 5 cm

Volume = π × r2 × h

= 3.14 × 4.22 × 5

= 277.2 cm3

4. r = 5.6 cm, h = 5 cm

Volume = π × r2 × h

= 3.14 × 5.62 × 5

= 492.8 cm3

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