Jawab:
Penjelasan dengan langkah-langkah:
L = (1/4 x 22/7 x 7^2) - (1/4 x 3,14 x 3^2)
L = 38,5 - 7 = 31,5 cm2
K = (22/7 x 7) - (3,14 x 3)
K = 22 - 9,42 = 12,58 cm
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Jawab:
Penjelasan dengan langkah-langkah:
L = (1/4 x 22/7 x 7^2) - (1/4 x 3,14 x 3^2)
L = 38,5 - 7 = 31,5 cm2
K = (22/7 x 7) - (3,14 x 3)
K = 22 - 9,42 = 12,58 cm