panjang sisi LM adalah ...

besar sdut M = 180°-(105+45)= 180°- 150° = 30°
mencari panjang LM menggunakan aturan sinus:
KL/sin M = LM/sin K
6√2/sin 30° = LM/sin 45°
6√2/ 1/2 = LM/ 1/2√2 (kalikan silang)
6√2 * 1/2√2 = 1/2 LM
6 = 1/2 LM
LM = 6 * 2/1
LM = 12 cm

Mapel : Matematika
Kelas : X SMA
Bab : Trigonometri

Pembahasan :
Aturan Sinus

KL/Sin M = LM/Sin K
(6√2)/Sin 30° = LM/Sin 45°
6√2 (1/2 √2) = 1/2 LM
6 = 1/2 LM
LM = 12 cm