lynn18202 lynn18202

22-03-2021
Mathematics

contestada

what is the measure please help :)

what is the measure please help class=

Respuesta :

Hrishii Hrishii

22-03-2021

Answer:

40°

Step-by-step explanation:

[tex] m\angle A + m\angle B = 180\degree [/tex]

(Linear pair angles)

[tex] 140\degree + m\angle B = 180\degree [/tex]

[tex] m\angle B = 180\degree -140\degree [/tex]

[tex] m\angle B = 40\degree [/tex]

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