Question

find the value of the letters given in each of the figure below​

Answer 1

Answer:

3x = 120°

x + 20 = 60°

Step-by-step explanation:

3x° + ( x + 20 )° = 180°   [ linear pair ]

3x + x + 20 = 180°

4x + 20 = 180°

4x = 180 - 20  

x = 160 / 4

x = 40°

3x = 3 × 40

3x = 120°

x + 20 = 40 + 20

x + 20 = 60°

Answer 2

Answer:

x=40°

Step-by-step explanation:

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