Jawaban:
a) <B3 = 100⁰
b) <B1 = 100⁰
c) <A4 = 80⁰
Penjelasan dengan langkah-langkah:
A2 = A4 = B2 = B4 = 80⁰
A1 = A3 = B1 = B3 = 180⁰ - 80⁰ = 100⁰
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Jawaban:
a) <B3 = 100⁰
b) <B1 = 100⁰
c) <A4 = 80⁰
Penjelasan dengan langkah-langkah:
A2 = A4 = B2 = B4 = 80⁰
A1 = A3 = B1 = B3 = 180⁰ - 80⁰ = 100⁰