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Svetlanka [38]
3 years ago
14

Find the circumference of a circle with radius 280 mm. Use 22/7 for π

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

1760 mm

Step-by-step explanation:

The circumference of a circle can be found using:

c=2πr

We know that the radius is 280. Therefore, we can substitute 280 in for r

c=2π280

We also know that we are using 22/7 for π, so we can substitute that in

c=2* 22/7 * 280

Multiply

c=560* 22/7

c=1760

So, the circumference is 1760 mm

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