(28/50)Berapakah besar sudut AOC?​

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(28/50)Berapakah besar sudut AOC?​

(28/50)Berapakah besar sudut AOC?​

Penyelesaian:

5x+10x=180°-90°

15x=90°

x=6°

Maka

5×6=30°

Maka AOC=30+90=120°

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SOAL 1

5x + 90° + 10x = 180°

15x = 180° – 90°

15x = 90°

x = 90°/15

x = 6°

S BOC :

5x + 90°

= 5(6°) + 90°

= 30° + 90°

= 120°