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27 February, 03:14

Find the area of a semi-circle with radius, r = 2cm.

Give your answer as an expression in terms of π.

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  1. 27 February, 04:55
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    The answer is 2pi

    Step-by-step explanation:

    To find the area of a cirlce, use the equation (pi * r^2) so for a semi circle, which is half, simply divide that by 2. Plug in 2 for radius and you get 4pi/2 which simplifies to 2pi.
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