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Solve for x and y. Write the reasons next to each step.Хx+70+20-180x+90-180x=90Triangle angle sum theoremSimplitySubtraction property of equalityVertical angle theoremSubtraction property of equalityEdit my responseхуy=9070°20°toINTnDang

Solve for x and y Write the reasons next to each stepХx7020180x90180x90Triangle angle sum theoremSimplitySubtraction property of equalityVertical angle theoremS class=

Respuesta :

the sum of all angles of a triangle is 180,so

[tex]\begin{gathered} x+70+20=180 \\ x+90=180 \end{gathered}[/tex]

solve x

[tex]\begin{gathered} x=180-90 \\ x=90 \end{gathered}[/tex]

two angles opposite the vertex are equal

so

[tex]\begin{gathered} y=x \\ y=90 \end{gathered}[/tex]

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