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  • 03-05-2019
  • Mathematics
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Find the unknown angle measure by solving for the given variable.

Answer Choices: 32,48,96,24,36,64

Find the unknown angle measure by solving for the given variable Answer Choices 324896243664 class=

Respuesta :

itmye84 itmye84
  • 03-05-2019

A triangle is 180°. So you can do:

3.2n + 6.4n + 2.4n = 180   Simplify

12n = 180

n = 15   Now that you know the value of n, you can plug it into each individual angle/equation

∠X = 3.2n    plug in 15 for n

∠X = 3.2(15)

∠X = 48°

∠Y = 6.4(15)

∠Y = 96°

∠Z = 2.4(15)

∠Z = 36°

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