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number 1. is 5 m (thank you)​

Number 1 Is 5 M Thank You class=

Sagot :

Answer:

1. radius: 5m

diameter:10m

2. radius: 9ft

diameter: 18ft

3. radius: 25cm

diameter: 50cm

4. radius: 10m

diameter: 20m

5. radius: 24.5

diameter: 49

Step-by-step explanation:

formula for cirumference:

C=3.14×diameter or C=2×3.14×radius

1. Circumference: 31.4m

3.14×5m=15.7m 15.7m×2=31.4m

2. Circumference: 56.52ft

3.14×18=56.52ft

3. Circumference: 157cm

3.14×25=75.8cm 75.8cm×2=157cm

4. Circumference: 62.8m

3.14×10m=31.4m 31.4m×2=62.8m

5. Circumference: 153.86cm

3.14×49cm=153.86cm