Semoga membantu dan dapat dipahami
Trigonometri_
BD = BC = AD sin 30°
BD = BC = 6√2 × 1/2 = 3√2 cm
CD = BC √2 = 3√2 × √2 = 3 × 2 = 6 cm
Atau
CD = BC/sin 45°
CD = 3√2 / 1/2 √2
CD = 3 × 2 = 6 cm
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Semoga membantu dan dapat dipahami
Trigonometri_
BD = BC = AD sin 30°
BD = BC = 6√2 × 1/2 = 3√2 cm
CD = BC √2 = 3√2 × √2 = 3 × 2 = 6 cm
Atau
CD = BC/sin 45°
CD = 3√2 / 1/2 √2
CD = 3 × 2 = 6 cm