stfuyi stfuyi
  • 12-04-2022
  • Mathematics
contestada

2.) If ZA = (20 – 2m)º and ZD = (m – 130°, what is the value of m? ​

2 If ZA 20 2mº and ZD m 130 what is the value of m class=

Respuesta :

jimrgrant1 jimrgrant1
  • 12-04-2022

Answer:

m = 50

Step-by-step explanation:

∠ D and ∠ A are vertically opposite angles and are congruent , then

m - 130 = 20 - 2m ( add 2m to both sides )

3m - 130 = 20 ( add 130 to both sides )

3m = 150 ( divide both sides by 3 )

m = 50

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