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Inga [223]
3 years ago
12

The diameter of a circle is 4 cm. Which equation can be used to find its circumference?

Mathematics
2 answers:
Sonbull [250]3 years ago
7 0
C= pie times r squared
earnstyle [38]3 years ago
3 0

Answer:

the second one

Step-by-step explanation:

the second one because if the diameter is half which is ×2 than the full circumference is ×4

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