II. Find the circumference of each circle. Use pi = 3.14.
FORMULA: C = 227
C = nd
1
2.
2 cm
or
8 m
3.
5
5 dm
7 am
3 dm
FORMULA: C = 227
C = nd
1
2.
2 cm
or
8 m
3.
5
5 dm
7 am
3 dm
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Answer:
1.) C = 2πr
C = 2 x 3.14 x 2cm
C = 12.56cm
2.) C = 2πr
C = 2 x 3.14 x 8m
C = 50.24m
3.) C = πd
C = 3.14 x 5dm
C = 15.7dm
4.) C = 2πr
C = 2 x 3.14 x 7cm
C = 43.96cm
5.) C = πd
C = 3.14 x 3dm
C = 9.42dm