3 years ago

What is the diameter of a circle if the radius is 400 millimeters

Mathematics

2 answers:

Luda [366]3 years ago

5 0

Answer:

800

Step-by-step explanation:

d=2r=2·400=800

Fiesta28 [93]3 years ago

4 0

Answer:

The diameter of the circle is 800 millimeters

Step-by-step explanation:

The diameter of a circle is twice as much as a radius.

400 x 2 = 800 millimeters

I Hope That This Helps! :)

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What is the diameter of a circle if the radius is 400 millimeters​

What is the diameter of a circle if the radius is 400 millimeters