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03-02-2019
Mathematics

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Find the unknown angle

Find the unknown angle class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

03-02-2019

Answer:

x=60

Step-by-step explanation:

The three angles of a triangle add to 180 degrees

40+80+x = 180

Combine like terms

120+x =180

Subtract 120 from each side

120-120+x = 180-120

x = 60

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