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The radius of a circle is 3 centimeters. What is the area? *


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Sagot :

YUHANPARKSHINGO
  • [tex]\large\boxed{28.26cm^2}[/tex]

Solution:

  • the radius of a circle is 3 cm.

  • formula : A = πr²

[tex]\large{A = π (3cm)²}[/tex]

[tex]\large{A = π 3cm × 3cm}[/tex]

  • 3cm × 3cm = 9cm²

[tex]\large{A = π 9cm²}[/tex]

  • π = 3.14

A = 3.14 × 9cm²

[tex]\large\boxed{A = 28.26cm^2}[/tex]

  • therefore, the area is 28.26cm².

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