diontna29
30.11.2019 •
Mathematics
The formula for the circumference of a circle is c=πr, where r is the radius and c is the circumference. the equation solved for r is r=c/2π
find the radius of a circle that has a circumference of 16π
a)r=4
b)r=8
c)r=12
d)r=16
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Ответ:
The answer is B
Step-by-step explanation:
r = c/2π
c = 16π
r = 16π/2π
= 8
Ответ: