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What is the answer to #3
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What is the answer to #3

What is the answer to #3-example-1
User Tanker
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1 Answer

5 votes

Answer:

C

Explanation:

The angles of any triangle add up to 180 degrees.


8x + (7x+2) + (4x+7) = 180 \\ 19x+9=180 \\ 19x=181 \\ x=9

Putting this value into the expressions for the angle measures:


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

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