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Help me please and thank you
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Help me please and thank you

Help me please and thank you-example-1
User DionysoSong
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1 Answer

4 votes

Answer:

use formula

area =1/4*π*d^2

81π=1/4*π*d^2(here two pie gets cancel)

81=1/4*d^2

81*4=d^2


√(324)=d

18=d

Explanation:

User MingalevME
by
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