Question

find the circumference of a circle radius=80cm


step by step​

Answer 1

$\sf \: Circumference = 2\pi r \\ \sf = 2 \times \pi \times 80 \\ \sf \boxed{ \sf \: Circumference= 160\pi \: or \:502.8 cm }$

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Answer 2

circumference of circle = 2πr

2 × 3.14 × 80

502.4 m-2

pls consider my answer as brainlist answer don't copy paste it