Question

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Answer 1

Answer:

a) 90°

b) 30°

c) 50°

d) 60°

Step-by-step explanation:

b) 2x + x +90 = 180

3x = 180 -90

x = 90/3

x = 30°

c) 40 + 90 + x = 180

x = 180 - 130

= 50°

d) 49 + 69 + x = 180

x = 180 - 118

= 62°

Answer 2

Step-by-step explanation:

a) 90 b)30c)50 d)62