Question

calculate the value of x ​

Answer 1

Answer:

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Answer 2

Answer:

a) 2x + 3x = 180

5x = 180 , x = 36°

b) 4x + 5x = 90

9x = 90 , x = 10°

c) 4x + 3x + 2x + x = 360

10x = 360 , x = 36°

d) 3x-5 + x + 20 + 65 = 180

4x + 80 = 180 , x = 25°