Question

write the following ratio in the reduced form. radius to the diameter of a circle

Answer 1

radius to the diameter of a circle==

1:2 because D=2r

Answer 2

Given :  radius and  diameter of a circle

To Find :  Ratio in reduced form   radius to to the diameter of a circle

Solution:

Radius = R

Diameter = 2 R

Radius / Diameter  = R/2R

= 1/2

required ratio is  1:2

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