tolong kerjakan besok dikumpulin jangan lupa pakai cara yg bener......

jawab

< HOG + GOF + <FOE = 180 
4x + 48 + 7x = 180
11x = 132
x = 12

<DOH + <HOG = 180
<DOH = 180 - <HOG =  180 - 4x
<DOH = 180 - 4(12) = 180- 48= 132
<DOH + 4x+ 48 + 7x +