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15-02-2022
Mathematics

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What is does XY= ____ cm??

What is does XY cm class=

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Аноним Аноним

15-02-2022

If we apply angle sun property then <z=72°

Let XY be x

So

[tex]\\ \tt\longmapsto \dfrac{5}{8}=\dfrac{20}{x}[/tex]

[tex]\\ \tt\longmapsto 5x=160[/tex]

[tex]\\ \tt\longmapsto x=32[/tex]

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