Tolong kak di jawab​

Jawaban:

B

Penjelasan dengan langkah-langkah:

cos 30°= PQ/PR

PR = 6/(1/2 akar3)

PR = 12/akar3

PR = 4akar3 cm

Jawaban:

cos 30° = PQ / PR

1/2 akar 3 = 6 / PR

PR = 6 / (1/2 akar 3)

PR = 12 / akar 3

PR = 12/akar × akar 3/ akar 3

PR = 12 akar 3 / 3

PR = 4 akar 3