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The area pf a semicircle =πr²/2
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To work out the area of a semicircle you can use the formula A = (πr²)/2. This is because the area of a full circle is A = πr² and a semicircle is half the area of a full circle so you divide this by 2.
I hope it will help you if so please it mark it brainiest answer.....................................

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