lailarussell79 lailarussell79

21-04-2021
Mathematics

contestada

what is this answer???

what is this answer class=

Respuesta :

jimrgrant1 jimrgrant1

21-04-2021

Answer:

∠ ABC = 116°

Step-by-step explanation:

Since the angles are supplementary, they sum to 180° , that is

8x - 36 + 4x - 12 = 180

12x - 48 = 180 ( add 48 to both sides )

12x = 228 ( divide both sides by 12 )

x = 19

Then

∠ ABC = 8x - 36 = 8(19) - 36 = 152 - 36 = 116°

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