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28-05-2020
Mathematics

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HELP EMERGENCY I NEED TO FINISH PLEASE ANSWER

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hoanganh384628 hoanganh384628

28-05-2020

Answer:

Area = 141.3 cm2

Step-by-step explanation:

Area = big circle - small circle

= pi*9*9 - pi *6*6

= 3.14 *(81-36)

= 141.3 cm2

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