Question

find the value of x
fig given above​

Answer 1

Explanation:

x+x/4

=(4x+x) /4

=5x/4

as this will be equal to 180

so 5x/4=180

x=36×4x=144

Answer 2

Answer:

x+x/4=180(linear pair)

4x+x/4=180

5x/4=180

5x=180×4

x=180×4/5=144