Kunci Jawaban Matematika Kelas 8 SMP MTs Semester 2, Sudut 30 60 90 dan 45 45 90, Teorema Pythagoras

12/V3 . V3/V3

AB = 12V3/3

AB = 4V3 cm

panjang BC =

AC/BC = V3/2

12/BC = V3/2 (kali silang)

24 = V3 BC

24/V3 = BC (dirasionalkan)

BC = 24V3/3

BC = 8V3 cm

2. Perhatikan gambar berikut!