Question

fill in the blanks for all the situations given below​

Answer 1

It is given that,

l//m , n is a transversal

(i) if < 1 = 80° then < 2 = 100°

[ since < 1 + < 2 = 180° Linear pair]

(ii) if <3 = 45° then <7 = 45°

[ since alternate angle]

(iii) if <2 = 90° then <8 = 90°

[<2, <8 are vertically opposite angles]

(iv) if < 4 = 100° then < 8 = 100°

[ Alternate exterior angles]

Answer 2

Answer:

2if < 1 = 80° then < 2 = 100

(ii) if <3 = 45° then <7 = 45°

(iii) if <2 = 90° then <8 = 90°

(iv) if < 4 = 100° then < 8 = 100°

Step-by-step explanation: