June 2023 1 9 Report
Угол DCH развёрнутый.
CG — биссектриса угла DCE,
CE — биссектриса угла FCD.
Вычисли углы GCE, FCD и HCF, если ∢DCE=42°.

a) ∢GCE=
°;

b) ∢FCD=
°;

c) ∢HCF=
°
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