Answer :

choco4
2. 120-180 = 60 degress
MLPshine
NUMBER 1:
L
x = 65° (picture #1 attached shows how)

NUMBER 2:
Lx = 60° (picture #2)

NUMBER 3:
Lx = 30° (picture #3)

NUMBER 4:
Lx = 205° (picture #4)
${teks-lihat-gambar} MLPshine
${teks-lihat-gambar} MLPshine
${teks-lihat-gambar} MLPshine
${teks-lihat-gambar} MLPshine

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