the radius of a circle is 1 centimeter. what is the diameter? give the exact answer in simplest form

Answer:
2cm
Explanation:
Given
radius sof the circle = 1cm
Required
Diameter
Diamater of a cicel = 2r
r is the radius = 1cm
Diameter = 2(1)
Diameter = 2cm
Hence the diameter of the circle is 2cm