Question

radius is2cm diameter ​

Answer 1

radius = 2cm
diameter = 2×2= 4cm.

( diameter = radius × 2)
(radius = diameter/ 2)

Answer 2

Hey there! Here is your answer.

$Diameter \: = 2 \times Radius \\Diameter \: = 2 \times 2 = 4$
Hope this answer will help you!

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