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07-07-2020
Mathematics

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Work out the perimeter of a semi circle with radius 3cm give your answer in terms of pi

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Аноним Аноним

07-07-2020

Answer:

6(π + 1) cm

Step-by-step explanation:

d = 2r

P(s.circle) = πd + d

= π·2·3cm + 2·3cm

= π·6cm + 6cm

= 6(π + 1) cm

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