Question

Rog rezolvare ex 11 pc h

Answer 1

Explicație pas cu pas:

h)

∢AOC ≡ ∢DOC => ∢AOC = 36°

∢BOD = 180°-2×36° = 180° - 72° = 108°

∢DOE ≡ ∢EOF ≡ ∢BOF

∢DOE = ∢EOF = ∢BOF = ⅓×∢BOD = ⅓×108° = 36°

i)

∢AOC ≡ ∢DOC => ∢AOC = 36°

∢GOH ≡ ∢BOH => ∢GOH = 18°

∢DOG = 180°-(2×36°+2×18°) = 180°-(72°+36°) = 72°

∢DOE ≡ ∢EOF ≡ ∢FOG

∢DOE = ∢EOF = ∢FOG = ⅓×∢DOG = ⅓×72° = 24°