3 years ago

Please help I’m so confused 25 points and brainliest!!

Mathematics

2 answers:

Jobisdone [24]3 years ago

7 0

Answer:

1 is 15.7, 2 is 31.4, 3 is 12.5

Step-by-step explanation:

1.C=πd

C=π×5

C=5π

Circumference = 15.7

2.C=2πr

C=2×π×5

C=10π

Circumference = 31.4

3. diameter=Cπ

d=39.25π

d=39.25/3.14

Diameter = 12.5

Hope this helped.

il63 [147K]3 years ago

5 0

Answer:

1=15.7

2:31.4

3:12.5

Step-by-step explanation:

1=5×3.14=15.71

2:5×2=10×3.14=31.42

3:39.25÷3.14=12.5

hope this helps

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