Diameter of circle- d=2r, r=2d, d=2d ,d= 4r
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Answer:
d = 2r
Step-by-step explanation:
The Radius of a Circle is a line segment from the Centre to any point on the Circumference of the Circle.
The Diameter of a Circle is a line segment from one end of the circle to another and passes through the Centre of the Circle.
The radius is the half the length of the Diameter.
So, the Diameter is double the length of the Radius.
r=d/2
=> d=2r
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