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24-04-2020
Mathematics

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Find the area of the semicircle with the diameter of 40cm

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24-04-2020

Answer:

628.4 cm²

Step-by-step explanation:

Area of semicircle : (πr^2)/2

(3.152*(20^2)) / 2

(3.142 *400) /2

1256.8 / 2

628.4

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