ekamiaww
< A = 2/3 < B saling berpelurus jumlahnya 180⁰ < A + < B = 180⁰ 2/3 < B + < B = 180⁰ 5/3 < B = 180⁰ < B = 180⁰ x 3/5 < B = 108⁰ < A = 2/3 x 108⁰ = 72⁰
salaing berpenyiku jumlahnya 90⁰ < A + < B = 90⁰ 2/3 < B + < B = 90⁰ 5/3 < B = 90⁰ < B = 90⁰ x 3/5 < B = 54⁰ < A = 2/3 x 54⁰ = 36⁰ selisih sudut: < B - < A = 54⁰ - 36⁰ = 18⁰ semoga membantu ya :)
saling berpelurus jumlahnya 180⁰
< A + < B = 180⁰
2/3 < B + < B = 180⁰
5/3 < B = 180⁰
< B = 180⁰ x 3/5
< B = 108⁰
< A = 2/3 x 108⁰ = 72⁰
salaing berpenyiku jumlahnya 90⁰
< A + < B = 90⁰
2/3 < B + < B = 90⁰
5/3 < B = 90⁰
< B = 90⁰ x 3/5
< B = 54⁰
< A = 2/3 x 54⁰ = 36⁰
selisih sudut: < B - < A = 54⁰ - 36⁰ = 18⁰
semoga membantu ya :)