Question

EXERCISE 1.1
1. In the figure, line ! | line m line n.
Line a is the transversal.
From the information given in the figure,
find the value of y.
(1) 110 (2) 120° (3) 130 (4) 140°
+30)​fast

Answer 1

Answer:

2x+30 =y. -----(1)

x+y=180

x=180-y. –––(2)

(2) in(1)

2(180-y)+30=y

360-2y+30=y

390=y+2y

390=3y

y=390/3

y=130

Answer 2

Answer:

that's the answer

take photo as a reference.

thank you !!