Q. 5

# Find the supplement of each of the following angles.(i) 63°(ii) 138°(iii) of a right angle(iv) 75°36’(v) 124°20’40’’(vi) 108°48’32’’

(i) 117°

Supplement of angle = 180° – θ

Supplement of 58° = 180° - 63°

= 117°

(ii) 42°

Supplement of angle = 180° – θ

Supplement of 58° = 180° - 138°

= 42°

(iii) 126°

Right angle = 90°

of a right angle = × 90°

= 54°

Supplement of 54° = 180° - 54°

= 126°

(iv) 104°24’

Supplement of angle = 180° – θ

Supplement of 75°36’ = 180° - 75°36’

= 179°60’ - 75°36’

= 104°24’

(v) 55°39’20’’

Supplement of angle = 180° – θ

Supplement of 124°20’40’ = 180° - 124°20’40’’

= 179°59’60” - 124°20’40’’

= 55°39’20’’

(vi) 71°11’28’’

Supplement of angle = 180° – θ

Supplement of 108°48’32’’ = 180° - 108°48’32’’

= 179°59’60” - 108°48’32’’

= 71°11’28’’

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