kuazhon25Wolfie kuazhon25Wolfie

20-08-2021
Mathematics

contestada

If m ZABD = 83º, what are mZABC and m ZDBC?
3x+33° D
(Ex-6)°
B
mZABC = °

If m ZABD 83º what are mZABC and m ZDBC 3x33 D Ex6 B mZABC class=

Respuesta :

jimrgrant1 jimrgrant1

20-08-2021

Answer:

∠ ABC = 48°

Step-by-step explanation:

∠ ABC + ∠ DBC = ∠ ABD , that is

6x - 6 + 3x + 8 = 83

9x + 2 = 83 ( subtract 2 from both sides )

9x = 81 ( divide both sides by 9 )

x = 9

Then

∠ ABC = 6x - 6 = 6(9) - 6 = 54 - 6 = 48°

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