no 11 dgn 12 ini ap jwbn ny??tolong bantu dong..soalny bsk kumpul mksh

no.11
sudut PQS= 90
PQR + SQR = 90
X + 2X = 90
3x = 90
x= 90:3
x= 30
ditanya sudut PQR = 2 x 30 = 60 derajat

11. sudut penyiku= 90°
2x + x = 90°
3x = 90°
x. = 90°/3 = 30°
<PQR= 2x = 2.30° = 60°

12. sudut pelurus= 180°
30° + 3x + 2x = 180°
5x = 180° - 30°
x = 150/5 = 30°

<ABD= 30°+3x = 30° + 3.30° = 30°+90° = 120°

—Semoga membantu, nanti jadiin jawaban tercerdas, ya, soalnya perlu bgt—