Question

7. In Fig. 10.123, the value of y, is (a) 20° (b) 30° (c) 45° (d) 60° 70 3xº O yº 2x0 Fig. 10.123​

Answer 1

Answer:

20

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

y=x (vertically opposite angles)------(eq.1)

3x+2x+x=180 (linear pair)

6x=180

x=30°

from eq. 1

y=x

y=30