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denpristay [2]
3 years ago
12

Need help will give brainliest

Mathematics
1 answer:
Komok [63]3 years ago
6 0

Answer:

40.56

Step-by-step explanation:

2pir

8÷2=r=4

2pi4=25.13

25.13÷2=12.565

10+10+8+12.56=40.565

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