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8 November, 23:11

The diameter of a circle is 10 meters. What is the area of the circle? (Use 3.14 for Pi and round to the nearest tenth.)

31.4 meters squared

62.8 meters squared

78.5 meters squared

125.6 meters squared

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Answers (2)
  1. 9 November, 00:37
    0
    Choice 3

    Step-by-step explanation:

    A=pi*r squared

    Diameter = 10, 10/2 = 5

    Radius=5

    A=pi * (5) ^2

    A = 78.54 ...

    The area of the circle is 78.5 meters squared.
  2. 9 November, 01:50
    0
    Area of a circle=pi * (radius) ^2

    Diameter=2*radius

    => radius=5 m

    Area=3.14 * (5) ^2=3.14*25=78.5 m^2
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