Question

What is m∠JNM?
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Answer 1

10x° would be the answer

Answer 2

we know that

we know that

Vertical angles are congruent angles opposite each other where two lines cross

so

in this problem

m∠JNM=m∠KNL

so

substitute the values

`4x+6=7x-21\\7x-4x=6+21\\3x=27\\x=27/3\\x=9\°`

Find the m∠JNM

`(4x+6)=(4*9+6)=42\°`

therefore

the answer is

The measure of angle JNM is
`42\°`