dragonspirit5005
dragonspirit5005 dragonspirit5005
  • 13-05-2020
  • Mathematics
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What is the answer to #3

What is the answer to 3 class=

Respuesta :

ivycoveredwalls
ivycoveredwalls ivycoveredwalls
  • 15-05-2020

Answer:

C

Step-by-step explanation:

The angles of any triangle add up to 180 degrees.

[tex]8x + (7x+2) + (4x+7) = 180 \\ 19x+9=180 \\ 19x=181 \\ x=9[/tex]

Putting this value into the expressions for the angle measures:

[tex]m\angle J=7x+2=65 \\ m\angle K=8x=72\\m\angle L=4x+7=43[/tex]

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