Respuesta :

heathazia

Answer:

78.54 cm

formula: A= pi x r^2

                        4

avqq
area of 1/4 = 1/4 x 3.14 x 10 x 10 = 78.5cm2
area of 2 semi circles = 3.14x5x5= 78.5 cm2
78.5+78.5=157cm2

formula: π x r x r = area of circle
1/4 x π x r x r = area of 1/4 of a circle
x = times

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