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10 November, 09:44

A circle has a diameter of 26 units. What is the area of the circle to the nearest hundred of a square unit?

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Answers (2)
  1. 10 November, 11:37
    0
    531 square units

    Step-by-step explanation:

    Area of a circle = pi r2

    Given

    Diameter = 26 units

    Radius r = diameter/2 = 26/2

    = 13units

    Pi = 3.14

    Therefore

    Area = 3.14 x (13) ^2

    = 3.14 x 13 x 13

    = 530.66

    = 531 square units
  2. 10 November, 12:56
    0
    Answer: The area is 530 square units

    Step-by-step explanation: The diameter of the circle has been given as 26. That makes the radius 13, that is;

    Radius = diameter/2

    Radius = 26/2

    Radius = 13

    The area of a circle is derived by the formula;

    Area = pi x r^2

    Where pi is 3.14 and r is 13,

    Area = (3.14) x 13^2

    Area = 3.14 x 169

    Area = 530.66

    Approximately to the nearest hundred of a square unit,

    The area of the circle is 530 square units
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