ggarciaadrianaa
ggarciaadrianaa
08-06-2018
Mathematics
contestada
help me please!!!!!!!!!!!!
Respuesta :
Skinider
Skinider
08-06-2018
here, diameter(d)= 40m
so,
radius(r)= d/2 = 40/2 = 20
then,
Area of semicircle(A)= πr²/2
= 3.142857143 * (20)² /2
= 628.517 cm
²
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