michaelcamarena0 michaelcamarena0

15-07-2021
Mathematics

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57 117find x triangle

57 117find x triangle class=

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Аноним Аноним

21-07-2021

Answer:

60

Step-by-step explanation:

x = 180 - [ 57 + ( 180 - 117 ) ]

= 180 - [ 57 + 63 ]

= 180 - 120

x = 60

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