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4 February, 19:22

Work out the area of this semicircle.

Take a to be 3.142 and give your answer to 2 decimal places.

10 cm

Area of a Circle

+3
Answers (2)
  1. 4 February, 19:36
    0
    Area of semi circle = 1/2 * πr²

    π = 3.142 and r = if 10cm

    Area = 1/2 * 3.142 * 10²

    Area = 1/2 * 3.142 * 100

    Area = 3.142 * 50

    Area = 157.10cm²
  2. 4 February, 19:38
    0
    39.28 so it is pongy
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