Resposta :
Resposta:
a-)
C = 2.π.r
24 = 2.π.7,64/2
cancelamos os 2.
7,64π = 24
π = 24/7,64
π ≅ 3,14//////
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b-)
16 = 2πr
16 = 2.π.5,09/2
π = 16/5,09
π ≅ 3,14
Resposta:
a-)
C = 2.π.r
24 = 2.π.7,64/2
cancelamos os 2.
7,64π = 24
π = 24/7,64
π ≅ 3,14//////
///////////////////////////////////
b-)
16 = 2πr
16 = 2.π.5,09/2
π = 16/5,09
π ≅ 3,14