emilybelknap4p4vnrr emilybelknap4p4vnrr

28-02-2018
Mathematics

contestada

using the diagram what is x

using the diagram what is x class=

Respuesta :

choixongdong choixongdong

28-02-2018

AC is perpendicular to BD
so
3x + 9 = 90
3x = 81
x = 27

answer
x = 27

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in case if you need to find y
2x + y = 90
2(27) + y = 90
54 + y = 90
y = 90 - 54
y = 36

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