Find the circumference of the circle. Round to the nearest tenth.
2 answers:
Formula for the circumference of a circle: C = pi x diameter
We are given the radius here, but we need the diameter. The diameter of a circle is equal to two times the radius.
diameter = 40 x 2 = 80 in
C = pi x 80
C = 80pi = 251.3 in
Hope this helps!! :)
Answer:
251.3 in
Step-by-step explanation:
The formula for circumference is π·d
Double 40 to get your radius, 80
Then, multiply π·80
The circumference is about 251.3 in
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