2 years ago

Circumference = 22.5, what is r?

Mathematics

1 answer:

lina2011 [118]2 years ago

6 0

Circumference = 22.5

2π r= 22.5

$2 \times \frac{22}{7} \times r = 22.5 \\ r = \frac{22.5}{2} \times \frac{7}{22} \\ r = \frac{315}{88}$

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