Kak tolong bantu jawab!!

Jawaban:

3x + 15 + 2x + 10 = 180

5x + 25 = 180

5x = 155

x = 31

Pelurus KLN = Besar sudut MLN

MLN = 2x + 10 = 2(31) + 10 = 62 + 10 = 72°

…………

x + 8 + 32 = 90

x + 40 = 90

x = 50°

ABD = x + 8 = 58°