.The diameter D of a circle is twice its radius R.Express D in terms of R.
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D=2r
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Suppose we have to find diameter then the formula is D=2r
And
If we have to find radius the the formula is r=d/2
⏺️In question if we have to find diameter and the radius is given 6 cm then ⤵️
D=2r
D=2x6
D=12
Hence diameter is 12
⏺️In question if we have to find radius and the diameter is given 6 cm then⤵️
R=d/2
R=6/2
R=3
So the radius is double of diameter and the diameter is half of radius.
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