Besar sudut AQC adalah.... (Sertakan cara ya gais)
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Elzahra Tambusai
(6x + 4)+(5x + 9) = 90 {karena sudut siku-siku 90}
6x + 5x = 90 - 9 - 4
11x = 90 - 13
11x = 77
x = 7
abistu dimasukkin ke persamaan sudut AQC nya
6x + 4 = 6(7) + 4 = 42 + 4 = 46 derajat
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