Jawaban:
d = 14cm , r = 7cm
d = 80cm , r = 40cm
d = 46cm , r = 23cm
d = 21cm , r = 10,5cm
L = πr²
L = 22/7 x 7²
L = 154cm²
L = 3,14 x 40²
L = 5.024cm²
L = 3,14 x 23²
L = 1.661,06cm²
L = 22/7 x 10,5²
L = 346,5cm²
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Jawaban:
d = 14cm , r = 7cm
d = 80cm , r = 40cm
d = 46cm , r = 23cm
d = 21cm , r = 10,5cm
L = πr²
L = 22/7 x 7²
L = 154cm²
L = πr²
L = 3,14 x 40²
L = 5.024cm²
L = πr²
L = 3,14 x 23²
L = 1.661,06cm²
L = πr²
L = 22/7 x 10,5²
L = 346,5cm²