Question

find the circumference of both circles

Answer 1

Answer:

Orange Circle: 31.41593

Blue Circle: 62.83185

Step-by-step explanation:

Orange Circle:

Circumference = 2 (Pi) R

C = 2 (3.14) 5

C = 31.41593

Blue Circle:

Circumference = 2 (Pi) R

C = 2 (3.14) 10

C = 62.831585

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Answer 2

Circumference of circle = 2pie r2
Inner circle = 2 x 22/7 x 5square
= 2x22/7x25
= 1100/7 cm

Outercircle = radius = 5 + 5 = 10
2 x 22/7 x 10square
2 x 22/7 x 100
= 4400/7 cm

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