No 5 6 tolong dong kak mbak mas apa dek​

5 »

<A + <B + <C = 180°

2x + 3x + x + 15° = 180°

6x = 165°

x = 27,5°

<A = 2 . 27,5

= 55° (A)

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<C + <A = <CBD

2y + 10° + y + 10° = 140°

3y = 120°

y = 40°

<CAB = 40° + 10°

= 50° (C)

maaf bila ada kesalahan