20 points!!! pls answer this >

2 answers:

DiKsa [7]2 years ago

8 0

9Step-by-step explanation:

7 0

Answer:

1: B 2: medium

Step-by-step explanation:

1: C= 3.14*10=31.4

2: 3.14*9*9=254.34, <u>3.14*12*12=452.16</u>, 3.14*15*15=706.5

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