Math, asked by shraddha20048, 1 year ago

plz solve this.....its very urgent....❤️❤️❤️❤️​

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Answered by ranjanalok961
4

Answer:

volume of hollow cylinder = Volume of solid cylinder

=> π h [ r1² - r2²] = π r²h

=> π h [ 21²-14²] = π r² × 21

=> 15 × 245 = r² × 21

=> r² = 175

=> r = 13.22 cm

Answered by shuvechchha3325
0

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