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When calculating the circumference of a circle, sometimes the radius is given instead of the diameter. What is the relationship between radius and diameter? a. radius is twice the diameter c. diameter is twice the radius b. diameter is half the radius d. no relationship, can't find circumference with radius Please select the best answer from the choices provided A B C D

Sagot :

Abrehman2040idn

Answer:

Option A ( radius is twice the daimeter )

Step-by-step explanation:

The relationship between radius and daimeter is given as

       Radius² = Daimeter    ⇒    r² =  d

And cricumference can be calculated with radius

 As circumference is    2πr

Answer:  c. diameter is twice the radius

For example, if the radius is r = 10 feet then the diameter is twice that and it's d = 2*r = 2*10 = 20 feet.

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