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The radius of ⨀B is 4 centimeters and the circumference of ⨀A is 20π centimeters. Find CD

Respuesta :

Answer:

20cm

Step-by-step explanation:

Given data

Radius= 4cm

Circumference= 20π

Let CD be the diameter of circle A

C= 2πr

20π= 2πr

10= r

Diameter= 2*r

D= 20cm

Hence the diameter CD= 20cm

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