Question

6) Identify the complementary and supplementary pairs of angles. (i) 47°, 43° (ii) 86°, 4° (iii) 86º,94° (iv) 120°, 60° (v) 75°, 105° (vi) 150°, 30° (vii) 45°, 45° (viii) 60°, 30°​

Answer 1

Answer:

(i) 47° + 43° = 90°

[ Complementary pairs of angles ]

(ii) 86° + 4° = 90°

[ Complementary pairs of angles ]

(iii) 86° + 94° = 180°

[ Supplementary pairs of angles ]

(iv) 120° + 60° = 180°

[ Supplementary pairs of angles ]

(v) 75° + 105° = 180°

[ Supplementary pairs of angles ]

(vi) 150° + 30° = 180°

[ Supplementary pairs of angles ]

(vii) 45° + 45° = 90°

[ Complementary pairs of angles ]

(viii) 60° + 30° = 90°

[ Complementary pairs of angles ]

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