Answer:
1) d = 18 dm = 180 cm
C = πd
= 3.14 x 180
= 565.2 cm
Therefore, the circumference is 565.2 cm.
2) d = 6.5 cm
= 3.14 x 6.5
= 20.41 cm
Therefore, the circumference is 20.41 cm.
3) d = 20.8 cm
= 3.14 x 20.8
= 65.31 cm
Therefore, the circumference is 65.31 cm.
4) d = 4 cm
= 3.14 x 4
= 12.56 cm
Therefore, the circumference is 12.56 cm.
5) d = 6 cm
= 3.14 x 6
= 18.84 cm
Therefore, the circumference is 18.84 cm.
correct me if I'm wrong ty
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Answer:
1) d = 18 dm = 180 cm
C = πd
= 3.14 x 180
= 565.2 cm
Therefore, the circumference is 565.2 cm.
2) d = 6.5 cm
C = πd
= 3.14 x 6.5
= 20.41 cm
Therefore, the circumference is 20.41 cm.
3) d = 20.8 cm
C = πd
= 3.14 x 20.8
= 65.31 cm
Therefore, the circumference is 65.31 cm.
4) d = 4 cm
C = πd
= 3.14 x 4
= 12.56 cm
Therefore, the circumference is 12.56 cm.
5) d = 6 cm
C = πd
= 3.14 x 6
= 18.84 cm
Therefore, the circumference is 18.84 cm.
correct me if I'm wrong ty