Question

A and b are supplementary angles. if ma=(5x+25)°and mb=(x+17)°, find the measure of a

Answer 1

if a and b are supplementary. Therefore we get that

`\begin{gathered} 5x+25+x+17=180 \\ 6x+42=180 \\ 6x=138 \\ x=(138)/(6)=23 \end{gathered}`

so the measure for the angle a is

`m\angle a=5\cdot23+25=115+25=140`