Question

[13 Poin] Tolong bantuin ya..​

Answer 1

Penjelasan dengan langkah-langkah:

BD/sin A = AD/sin B

BD/sin 45° = 2/sin 30°

BD = (1/2 √2 . 2)/(1/2)

BD = 2 √2 cm

BD/sin C = BC/sin BDC

sin C = (sin 60° . 2 √2)/4

sin C = (1/2 √3 . 2 √2)/4

sin C = 1/4 √6

Kelas 11

Pelajaran Matematika

Bab Trigonometri Lanjut