Mathematics
If the radius of a circle is 4 cm, then the length of its diameter is
2 cm
4 cm
8 cm
16 cm
Geometrical Concepts
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Answer
The length of a diameter of a circle is twice its radius.
Length of diameter = 2 × radius
Length of diameter = 2 × 4 cm = 8 cm.
Hence, option 3 is the correct option.
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