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Tanzania [10]
3 years ago
12

Since all circles are similar, a proportion can be set up using the circumference and diameter of each circle. Substitute the va

lues d1 = 1, C1 = π, and d2 = 2r into the proportion.
StartFraction C 1 Over d 1 EndFraction = StartFraction C 2 Over d 2 EndFraction

Which shows how to correctly solve for C2, the circumference of any circle with radius r?

A. Because StartFraction pi Over 1 EndFraction = StartFraction C 2 Over 2 r EndFraction , C 2 = 2 r pi

B. Because StartFraction 1 Over pi EndFraction = StartFraction C 2 Over 2 r EndFraction ,
2 = StartFraction 2 r Over pi EndFraction

C. Because StartFraction pi Over 2 r EndFraction = StartFraction C 2 Over 1 EndFraction , C 2 = StartFraction pi Over 2 r EndFraction

D. Because StartFraction pi Over 1 EndFraction = StartFraction C 2 Over 4 r EndFraction , C 2 = 4 r pi

Mathematics
2 answers:
DiKsa [7]3 years ago
7 0

Answer:

The answer is A on Edge 2020

Step-by-step explanation:

I did the Quiz

Natali5045456 [20]3 years ago
3 0

Answer: A

Step-by-step explanation:I got it right

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Step-by-step explanation:

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