Math, asked by shwetal18, 7 hours ago

please answer by solving

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Answers

Answered by pmsmysore2005

0

Answer:

b) 18π cm

Step-by-step explanation:

r = 4

r'= 5

2πr+2πr'

2×π×4 + 2×π×5

8π + 10π

= 18π cm

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