Work out the perimeter of this semicircle, take pie to be 3.142 radius= 10cm

asked Dec 3, 2022 143k views

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Work out the perimeter of this semicircle, take pie to be 3.142
radius= 10cm

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Answer:

30 cm

Explanation:

Perimeter = (half the circumference) + (twice the radius)

= (1/2)(2·10 cm) + 2(10 cm)

= 10 cm + 20 cm

= 30 cm

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