Jawaban:
a. 35⁰
Penjelasan:
Sudut penyiku = 90⁰
= <A+ <B = 90⁰
= 7x + 11x = 90⁰
= 18x = 90⁰
x = 90÷18
x = 5
Nah, besar sudut A adalah
kan <A = 7x
maka <A= 7 (5)
Jadi <A = 35 (A)
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Jawaban:
a. 35⁰
Penjelasan:
Sudut penyiku = 90⁰
= <A+ <B = 90⁰
= 7x + 11x = 90⁰
= 18x = 90⁰
x = 90÷18
x = 5
Nah, besar sudut A adalah
kan <A = 7x
maka <A= 7 (5)
Jadi <A = 35 (A)