Question

If the radius of a circle is 9 cm then the diameter is____ *​

Answer 1

Answer: 18 cm

Step-by-step explanation:

Given that

Radius = 9cm

So diameter = 2 x Radius

 Hence d= 2 x 9 cm

               = 18cm

Answer 2

Answer:

18

Step-by-step explanation:

circle redius is 9cm so redius is half circle so diameter is 18