New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Pairs and Angles Self Practice 9B Solution
(1) Name the pair of angles marked as A for alternate, B for corresponding and C for co-interior.
Solution:
(a) A
(b) B
(c) C
(d) A
(e) C
(f) B
(g) B
(h) A
(2) Give examples of each angle pair.
(a) corresponding angles
Ans. <1 and <3, <2 and <4, <5 and <7, <6 and <8
(b) alternate angles
Ans. <2 and <7, <6 and <3
(c) co-interior angles
Ans. <2 and <3, <6 and <7
(d) vertically opposite angles.
Ans. <1 and <6, <2 and <5, <3 and <8, <4 and <7
(3) Name the type of angle pair shown in each letter.
Solution. (a) Corresponding <S
(b) Alternate <S
(c) Co interior <S
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