Jawaban:
C.15
Penjelasan dengan langkah-langkah:
a+c=180°
Diketahui A = 7 P -5° dan C = 80° maka :
7p-5°+80°=180°
7p=180°-80°+5°
7p=105°
p=105°/7
p=15
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Jawaban:
C.15
Penjelasan dengan langkah-langkah:
a+c=180°
Diketahui A = 7 P -5° dan C = 80° maka :
7p-5°+80°=180°
7p=180°-80°+5°
7p=105°
p=105°/7
p=15