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Zina [86]
3 years ago
6

The circle-shaped part of the necklace pendant above has a diameter of 3 mm.

Mathematics
2 answers:
FromTheMoon [43]3 years ago
6 0
The formula is C=2(3.14)r
the answer is 4.17mm
AveGali [126]3 years ago
3 0
<span>The circle-shaped part of the necklace pendant above has a diameter of 3 mm.
</span>so its circumference = pi * diameter = 3pi

<span>The circumference of the circle-shaped part of each of the earrings is one-half the circumference of the circle-shaped part of the necklace pendant.
</span>
So <span>the circumference of the circle-shaped part of one of the earrings = 3pi/2 = 1.5pi = 4.71mm
</span>

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