3 years ago

HELP ASAP i dont know how to do any of this

1 answer:

6 0

Answer:

Step-by-step explanation:

Circumference is= to diameter * Pi

$6\pi = 6*3.14=18.84\\15\pi=15*3.14=47.1$

For the ones that are radius, double it, then pi

$21*2\pi = 42\pi =42*3.14=131.88\\6.7*2\pi=13.4\pi =13.4*3.14=47.076$

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