= L × 2 ÷ d1
= 198 cm² × 2 ÷ 22 cm
= 396 cm² ÷ 22 cm
= 18 cm (D.)
Penjelasan dengan langkah-langkah:
L = 1/2 × d1 × d2
198 = 1/2 × 22 × d2
198 = 11 × d2
d2 = 198/11
d2 = 18 cm (d)
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= L × 2 ÷ d1
= 198 cm² × 2 ÷ 22 cm
= 396 cm² ÷ 22 cm
= 18 cm (D.)
Penjelasan dengan langkah-langkah:
L = 1/2 × d1 × d2
198 = 1/2 × 22 × d2
198 = 11 × d2
d2 = 198/11
d2 = 18 cm (d)