Jawaban:
DCE = 55⁰
CDE = 60⁰
BDE = 120⁰
Penjelasan dengan langkah-langkah:
DCE = 180⁰ - 125⁰ = 55⁰ (berpelurus)
CDE = 180⁰ - 55⁰ - 65⁰ = 60⁰
BDE = 180⁰ - 60⁰ = 120⁰ (berpelurus)
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Jawaban:
DCE = 55⁰
CDE = 60⁰
BDE = 120⁰
Penjelasan dengan langkah-langkah:
DCE = 180⁰ - 125⁰ = 55⁰ (berpelurus)
CDE = 180⁰ - 55⁰ - 65⁰ = 60⁰
BDE = 180⁰ - 60⁰ = 120⁰ (berpelurus)