Tolong kak dijawab pakai cara ^ω^

34. 65°+ CBD=90°

CBD=90°-65°=25°

b.25°

35.2a+a+72°=180°

3a=180°-72°

a=108°÷3

a=36°

b.36°

36.CAB+ABC+BCA=180°

42°+(180-122)°+BCA=180°

42°+58°+BCA=180°

BCA=180°-100°

BCA=80°

c.80°

37.A+B+C=180°

A+(180-115)+(180-150)=180°

A+65°+30°=180°

A=180°-65°-30°

A=85°

d.85°

38. ABD=180°-80°

ABD=100°

c.100°

(maaf klau ada salah)

moga bermanfaat