KA :
157 = (2(3,14(R)
157 = (6,28(R)
6,28R = 157
R = 157/6,28
R = 25/1
R = 25 CM
LA :
= (3,14(25)²
= (3,14(625)
= 1.962,5 CM²
MAKA VOLUME :
= (LA(T)
= (1.962,5(9)
= 17.662,5 CM³ (C)
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Verified answer
KA :
157 = (2(3,14(R)
157 = (6,28(R)
6,28R = 157
R = 157/6,28
R = 25/1
R = 25 CM
LA :
= (3,14(25)²
= (3,14(625)
= 1.962,5 CM²
MAKA VOLUME :
= (LA(T)
= (1.962,5(9)
= 17.662,5 CM³ (C)