Please nomor 3,tolong banget.thanks
Matematika
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Pertanyaan
Please nomor 3,tolong banget.thanks
1 Jawaban
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1. Jawaban permatapu3maharani
3x + x = 90
4x = 90
x = 22,5
penyiku x = 3x = 3 (22,5) = 67,5°