ineedhelpplease17 ineedhelpplease17
  • 15-10-2018
  • Mathematics
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What is the exterior angle?

What is the exterior angle class=

Respuesta :

peblejackson103
peblejackson103 peblejackson103
  • 15-10-2018

Answer:

angle YUT = 120

Step-by-step explanation:

in Triangle SUT

angle 70 + angle 50 + angle x = 180

 70 + 50 + x = 180

 120 + x = 180

 x = 180 - 120

 x = 60

angle SUT = 60



angle SUT + angle YUT = 180 ( straight line)

60 + x = 180

 x = 120


Therefore angle YUT ( exterior angle ) = 120

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