Jonnaybooker2004 Jonnaybooker2004
  • 14-07-2020
  • Mathematics
contestada

What is the measure of ∠x

What is the measure of x class=

Respuesta :

rococo908
rococo908 rococo908
  • 14-07-2020

Answer:

∠x = 63°

Step-by-step explanation:

The exterior angle added with the measure of ∠BAC will equal 180, since they will form a straight line, so we can calculate the measure of ∠BAC:

128 + x = 180

x = 52

∠BAC = 52°

The angles in a triangle all add up to 180°, so we can set up another equation to find x:

52 + 65 + x = 180

117 + x = 180

∠x = 63°

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