Question

What is the best approximation for the circumference of a circle with a diameter of 500 km?

Use 3.14 to approximate pi.

Answer 1

Answer:

circumference =2πr

radius=d/2

r=500/2

r=250

c=2×3.14×250

c=500×314/100

314×5

circumference of circle=1570 km

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