Penjelasan dengan langkah-langkah:
pr = 6 cm
sudut r = 60°
panjang qr
cos r = qr/pr
cos 60° = qr/6
1/2 = qr/6
2qr = 6
qr = 3 cm
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Penjelasan dengan langkah-langkah:
pr = 6 cm
sudut r = 60°
panjang qr
cos r = qr/pr
cos 60° = qr/6
1/2 = qr/6
2qr = 6
qr = 3 cm