Question

Please find the size of unknown angle

Answer 1

Answer:

8x+20=180

8x=160

x=160÷8

x=20..follow if correct

Answer 2

Answer:

(x + 15)+(6x)+(x+5)= 180°

x + 6x+ x +15+5= 180°

8x + 20°= 180°

8x = 180° - 20°

8x = 160°

x= 160°/ 8

x=20°

x+15= 20° +15° = 35°

x+5 = 20° + 5° = 25°

6 x = 6 x 20° = 120°

Step-by-step explanation:

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