ahmem177316 ahmem177316

06-05-2021
Mathematics

contestada

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

Respuesta :

altavistard altavistard

06-05-2021

Answer:

30 cm

Step-by-step 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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