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24-02-2017
Mathematics

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What is the measure of angle 2z (pic in question)

What is the measure of angle 2z pic in question class=

Respuesta :

24-02-2017

180 - 168 = 12

180 - 42 - 12 = 126
2z = 126

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jamiexx jamiexx

24-02-2017

z should be 63
the third angle is 180 - 168 ( adjacent angles on St line)
so the angle should be 12,
and the sum of triangle is 180,
so it should be 2z = 180 - 42 - 12
z should be 63

Answer Link

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