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in Lines and Angles by (36.4k points)
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Write the complement of each of the following angles:

(i) 20°

(ii) 35°

(iii) 90°

(iv) 77°

(v) 30°

1 Answer

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Best answer

(i) Given angle is 20°

Since the sum of an angle and its compliment is 90°

Therefore, its compliment will be:

90° – 20° = 70°

(ii) Given angle is 35°

Since the sum of an angle and its compliment is 90°

Therefore, its compliment will be:

90° – 35° = 55°

(iii) Given angle is 90°

Since the sum of an angle and its compliment is 90°

Therefore, its compliment will be:

90° – 90° = 0°

(iv) Given angle is 77°

Since the sum of an angle and its compliment is 90 

Therefore, its compliment will be:

90° – 77° = 13°

(v) Given angle is 30°

Since the sum of an angle and its compliment is 90°

Therefore, its compliment will be:

90° – 30° = 60°

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