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Sidana [21]
3 years ago
10

A circular skating rink has a radius of 40 feet. Which expression can be used to find the circumference of the skating rink, in

feet?
Mathematics
2 answers:
True [87]3 years ago
6 0
Circumference of a circle = 2 \pi r

They are all multiplied by each other
r = radius 
we know our radius is 40 
and... \pi = 3.14 

so we would use this expression 
3.14 x 40 x 2 

As a added bonus ill solve it for you :P
3.14 x 40 x 2 = 251.2 
The circumference of this ice skating rink is 251.2 feet 
fgiga [73]3 years ago
6 0
On ttm the  asnwer is 2 times 40 times circumference                    hint: it will always be 2 numbers time circumference          maek me brainliest pls
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