williandybala78 williandybala78
  • 23-04-2020
  • Mathematics
contestada

The diameter of a circle is 8 miles. What is the radius?

Respuesta :

Sarah06109
Sarah06109 Sarah06109
  • 23-04-2020

Answer:

4 miles

Step-by-step explanation:

The diameter is twice the radius, or

d=2r

We know the diameter is 8, so we can substitute that in for d

8=2r

Since we want to solve for, r, we need to get r by itself. To do that, divide both sides by 2

8/2=2r/r

4=r

So, the radius is 4 miles

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