Tolong nomor 8&9 yaa.. Makasihhh
Matematika
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Pertanyaan
Tolong nomor 8&9 yaa.. Makasihhh
1 Jawaban
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1. Jawaban Cindyapqrs
8. 140°= (2x-60)°
2x = 140+60
x. = 200/2
= 100°
9. 90° = 2x-18°
2x = 90+18
x = 108/2
= 54°