Find the circumference of a circle if its diameter is 18 cm. (Take π=3.14)
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Find the circumference of a circle if its diameter is 18 cm. (Take π=3.14)
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Answer:
Step-by-step explanation:
C≈56.55cm
C=2πr
d=2r
Solving for C
C=πd=π·18≈56.54867cm
Diameter= 18,
Radius(r)= 18/2
Therefore, We get the Radius= 9
Circumference (Perimeter) = ?
Using the formula,
Perimeter=2*π*r
Here, π=3.14
=2*3.14*9
=56.52
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Answer: The circumference of a circle if its diameter is 18 cm is 56.52 cm
Step-by-step explanation:
Diameter= 18,
Radius(r)= 18/2
Therefore, We get the Radius= 9
Circumference (Perimeter) = ?
Using the formula,
Perimeter=2*π*r
Here, π=3.14
=2*3.14*9
=56.52
Hence, the circumference of a circle if its diameter is 18 cm is 56.52 cm