Question

the diameter of a circle is twice its radius if d is the diameter of the given circle and r is its radius, express the diameter of the circle in terms of its radius.

Answer 1

Answer:

d=2r

Step-by-step explanation:

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Answer 2

Answer:

Since C is center of circle, CA,CB,CP are radius.

∴CA=CB=CP=r

Now,AB is diameter of circle.

AB=AC+BC

d=r+r=2r

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