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4 December, 22:23

Find the area of this semi-circle with diameter, d = 12cm.

Give your answer as an expression in terms of π.

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Answers (2)
  1. 4 December, 22:42
    0
    Answer:18π cm^2

    Step-by-step explanation:

    diameter=12

    Radius=diameter ➗ 2

    Radius=12 ➗ 2

    Radius=6

    Area of semicircle=0.5 x π x radius x radius

    Area of semicircle=0.5xπx6x6

    Area of semicircle=18π cm^2
  2. 4 December, 22:42
    0
    6pi

    Step-by-step explanation:

    Area of a circle = 2pi*r

    d = 12

    r = d/2

    r=6

    Area of semicircle = (2pi * r) / 2 = pi*r

    pi*6 = 6pi
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