Which formula could be used to determine the circumference of a circle?
2 answers:
Answer:
D.) C = pi *d
Step-by-step explanation:
The circumference of a circle is given by
C= 2 * pi * r
or
C = pi *d
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Step-by-step explanation:
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Step-by-step explanation: put the points on a graph
Answer:
Make Width = 'x'
Length = 4 + 2x
Perimeter = 2 x Width + 2 x Length
86 = 2(x) + 2(4 + 2x)
86 = 2x + 8 + 4x
Collect like terms:
2x + 4x = 86 - 8
6x = 78
x = 13
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Step-by-step explanation:
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I hope this helps!
