L = (45/360) x 2(28)
L = (1/8) x 2(28)
L = (1/8) x 56
L = 7 cm
7 cm atau sekitar 21,98 cm (kalau nya = 3,14)
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L = (45/360) x 2(28)
L = (1/8) x 2(28)
L = (1/8) x 56
L = 7 cm
7 cm atau sekitar 21,98 cm (kalau nya = 3,14)