Answer:
Sum of all angles is 720°
x=105
∠H=110°
∠I=100°
∠K=135°
Step-by-step explanation:
The sum of all inetrior angles is 720°
So,
140+105+130+(x+5)+(x-5)+(x+30)=720
375+3x+30=720
405+3x=720
3x=720-405
3x=315
∴x=105
∠H=x+5
∠H=105+5
∴∠H=110°
∠I=x-5
∠I=105-5
∴∠I=100°
∠K=x+30
∠K=105+30
∴∠K=135°
