Find the diameter and the circumference of the circle below r=8cm

Diameter = 16 cm

Circumference = 16π cm

Step-by-step explanation:

History behind Diameter and radius

Diameter is the distance between one edge of the circle to the opposite edge where it cuts through the center of mass. Radius is half the diameter spanning the center to the edge.

This being said your diameter is twice your radius.

The circumference is πd, which is the same as 2πr, because multiplication dont care which order.

So your radius is 8 cm that means your diameter is 8 x 2 which is 16 cm.

Now to make it quick we can multiply that by pi to get our circumference.

16π ≅ 16(3.141) ≅ 50.256 cm

Hope this helps,

answer:

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