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25-02-2022
Mathematics

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What is the value of angle X and angle Y in the triangle diagram below?

What is the value of angle X and angle Y in the triangle diagram below class=

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Аноним Аноним

25-02-2022

Sum of two interior angles=exterior angle

[tex]\\ \rm\Rrightarrow 45+65=y[/tex]

[tex]\\ \rm\Rrightarrow y=110[/tex]

Linear pairs have sum 180

[tex]\\ \rm\Rrightarrow x+y=180[/tex]

[tex]\\ \rm\Rrightarrow x+110=180[/tex]

[tex]\\ \rm\Rrightarrow x=70[/tex]

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