Jawaban:
c. 40
Penjelasan dengan langkah-langkah:
(3x+5)+(3x-20)+(2x-5)=180
8x-20=180
8x=160
x=20
Sudut RQP = [3(20)-20]
=40
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Jawaban:
c. 40
Penjelasan dengan langkah-langkah:
(3x+5)+(3x-20)+(2x-5)=180
8x-20=180
8x=160
x=20
Sudut RQP = [3(20)-20]
=40