①Write the complementary angles of the given angles.
(i) 700
(ii) 450
(iii) 400
(iv) 600
②Write the supplementary angles of the given angles.
(i) 1000
(ii) 900
(iii) 600
(iv) 300
③ (i) In figure 4, Name the angles forming a linear pair.
Answer: __________ and ________] __________ and _________
(ii) Fill in the blanks:
(a) ∠AOC + ______ = 1800
(b) ∠AOD + ______ = 1
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Answer:
1. a.20
b. 45
c. 50
d. 30
2. a. 80
b. 90
c. 120
d. 150
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