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2a + 3a = 90 (karena saling berpenyiku maka besar seluruh sudutnya 90°)
5a = 90
a = 90/5
a = 18°
[answer.2.content]100 Things White Sox Fans Should Know & Do Before They Die (100 Things...Fans Should Know)
100 Things White Sox Fans Should Know & Do Before They Die (100 Things...Fans Should Know)
2a + 3a = 90 (karena saling berpenyiku maka besar seluruh sudutnya 90°)
5a = 90
a = 90/5
a = 18°
[answer.2.content]