SOLUTION: What is the external circumference of a pipe whose internal radius is 5cm and the thickness of the metal is 6mm take pi to be 3.14cm

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Question 973043: What is the external circumference of a pipe whose internal radius is 5cm and the thickness of the metal is 6mm take pi to be 3.14cm
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
Inside diameter (10cm) + both sides of pipe (1.2cm)=outside diameter (11.2cm)
outside circumference=%28pi%29%2811.2cm%29=35.168cm