Respuesta :

Answer:

m∠1 = 20°

m∠4 = 110°

Step-by-step explanation:

m∠1 + 70° = 90°

m∠1  = 20°

70° + m∠4 = 180°

m∠4 = 110°

felixkings

Answer:

[tex] \boxed{m \angle1 \: = 20} \\ \\ \boxed{m \angle4 = 110}[/tex]

Step-by-step explanation:

[tex]m \angle1 \: =90 - 70 = 20 \\ m \angle4 = 360 -( 180 + (180 - 110)) \\ m \angle4 = 360 - 250 \\ m \angle4 = 110[/tex]

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