Jawaban:
52°
Penjelasan dengan langkah-langkah:
sudut pqr= sudut psr 109°
sudut psr = sudut psr + Rsq
109 =3×+4×+4=7×+4
109-4=7×
105=7×
15/7=×=15
sudut Rsq = 4×+4=4,15+4
=60+4=64°
sudut QRs = 180 - 64 -64 = 52°
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Jawaban:
52°
Penjelasan dengan langkah-langkah:
sudut pqr= sudut psr 109°
sudut psr = sudut psr + Rsq
109 =3×+4×+4=7×+4
109-4=7×
105=7×
15/7=×=15
sudut Rsq = 4×+4=4,15+4
=60+4=64°
sudut QRs = 180 - 64 -64 = 52°