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Pavel [41]
2 years ago
5

Pls help, will mark brainliest

Mathematics
1 answer:
SashulF [63]2 years ago
5 0

Step-by-step explanation:

\frac{\pi}{2}  = 90

its 1/4 of the circle

circle circumference:

8 \times \pi

we need 1/4 of it, so its

2 \times \pi = 6.28

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