Jawab:
Penjelasan dengan langkah-langkah:
45/4 = 1/2 x 5 x 9 x sin A
45/4 = 45/2 x sin A
sin A = 45/4 x 2/45
sin A = 1/2
sudut A = 30
cos 30 = 1/2 AKAR 3
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Jawab:
Penjelasan dengan langkah-langkah:
45/4 = 1/2 x 5 x 9 x sin A
45/4 = 45/2 x sin A
sin A = 45/4 x 2/45
sin A = 1/2
sudut A = 30
cos 30 = 1/2 AKAR 3