bkpamela16 bkpamela16

19-03-2021
Mathematics

contestada

help please!! ill mark brainliest

help please ill mark brainliest class=

Respuesta :

jimrgrant1 jimrgrant1

19-03-2021

Answer:

∠ B = 54°

Step-by-step explanation:

The angles are supplementary, that is they sum to 180° , then

7x + 14 + 5x - 26 = 180 , that is

12x - 12 = 180 ( add 12 to both sides )

12x = 192 ( divide both sides by 12 )

x = 16

Then

∠ B = 5x - 26 = 5(16) - 26 = 80 - 26 = 54°

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