hitunglah luas dan keliling lingkaran jika lingkaran tersebut memiliki diameter 28 cm
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Verified answer
》Math - Lingkaran
Keliling:
K = π × d
K = 22/7 × 28
K = 616/7
K = 88 cm
Luas:
L = 1/4 × π × d²
L = 1/4 × 22/7 × 28²
L = 22/28 × 784
L = 11/14 × 784
L = 8624/14
L = 616