Question

1. Find the volume and surface area of the sphere whose radius is (i) 7 cm, (ii) 3.5 dm, (iii) 5.6 cm, (iv) 7 dm, (v) 0.21 m.
plz tell fast​

Answer 1

Answer:

(i) Radius =7cm

Volume of sphere=34πr3

=34×722×7×7×7=1437.33cm3

(ii) Radius =0.63m

Volume of sphere =34πr3

=34×722×100063×100063×100063=1.047816m3

Answer 2

Answer:

(I) Volume=34πr3,1437cm3

(ii) Volume=46πr3,816m3

Step-by-step explanation:

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