Question

If the radius of circle is 21cm Find the diameter of circle

Answer 1

diameter of circle = 2 ×radius
therefore =2×21=42

Answer 2

$\textbf{Hey Mate!!}$

Given,

Radius of circle = 21 cm

Diameter of circle = 2 × r

Therefore,

Diameter = 2 × 21 = 42cm

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