Question

3. Determine the value of
value of x in the figure.
А A​

Answer 1

Step-by-step explanation:

In given figure

∠AOD+∠DOC+∠COB=180

∘

[linear pair]

3x+10+3x+10+2x=180

8x+20=180

8x=180-20

8x=160

x=

8

160

=20

∴ value of x is 20.