Question

Fine the value of X if angles ABC is Supplementary to CBD

Answer 1

Two angles are called supplementary when their measures add up to 180 degrees..

Therefore, we have,

`<\text{ABC}+<\text{CBD}=180`

Substituting the values we get,

`\begin{gathered} 4x-19+39=180 \\ 4x+20=180 \\ 4x=180-20=160 \\ 4x=160 \\ x=(160)/(4)=40 \end{gathered}`

Thus, the required value of x = 40