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The area of a circle of radius 4cm is equal to (Take π = 3.142 )

The area of a circle of radius 4cm is equal to (Take π = 3.142 )
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  • A 10.3cm2
  • B 15.7cm2
  • C 50.3cm2
  • D 17.4cm2
Correct Answer: Option C
Explanation:
Area of a circle (A) = πr2
Radius = 4cm
π = 3.142
A = 3.142 x (4)2
= 3.142 x 16
= 50.272
A = 50.3cm2 (1dp)

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