Question

5. Calculate the value of x in each of the following:

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Answer 1

Answer:

(a) 50°

Because complementary angle of 40° is 50°

(b) 180° - 60° = 120°

Because a straight line has ab agle of 180°

(c) the whole angle is 120° and the given is 60°

So 120-60=60

x = 60°

(d) the whole angle given is 70°

70-45=25

x = 25°

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Hope this helps :)