Math, asked by kitu65, 11 months ago

the slant height of a cone is 2 cm more than radius cm.
(a) find radius given the cone has a surface area of 220pie cm square

Answers

Answered by shankarsonar
1

Answer:

20cm

Step-by-step explanation:

  1. π*r*2+r=220π
  2. r=20cm

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