Penjelasan dengan langkah-langkah:
soal no 2
à + b = 360⁰ - (54⁰ x 2)
soal no 3
RSO = PQO = 65⁰
PQS + PQO = 180⁰
5x + 65⁰ = 180⁰
5x = 180⁰ - 65⁰
x = 115⁰ / 5
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Penjelasan dengan langkah-langkah:
soal no 2
à + b = 360⁰ - (54⁰ x 2)
= 252⁰ (D)
soal no 3
RSO = PQO = 65⁰
PQS + PQO = 180⁰
5x + 65⁰ = 180⁰
5x = 180⁰ - 65⁰
x = 115⁰ / 5
= 23⁰ (B)