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4 votes
4x+5x= x=4x=5x=to gind the answer we are using complementary angles.

1 Answer

2 votes

two complementary angles add up to 90

so


4x+5x=90

we can solve x


\begin{gathered} 9x=90 \\ x=10 \end{gathered}

and


\begin{gathered} 4x=4(10) \\ =40 \end{gathered}
\begin{gathered} 5x=5(10) \\ =50 \end{gathered}

User Paras Khanagwal
by
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