iaesthetic90
Answered

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find the measure of MNI. please help! i’ll give you brainlist!

Find The Measure Of MNI Please Help Ill Give You Brainlist class=

Sagot :

loneguy

Answer:

[tex]m\angle MNI = 135^{\circ}[/tex]

Step by step explanation:

[tex]\text{The exterior angle of a triangle = sum of two opposite interior angles.}[/tex]

[tex]~~~~~~\angle MNI = \angle LMN + \angle MLN\\\\\implies 19x+2=(15x-12)+6x\\\\\implies 19x +2 = 21x-12\\\\\implies 21x -19x = 12+2\\\\\implies 2x = 14\\\\\implies x=\dfrac {14}2\\\\\implies x = 7\\\\\text{So,}~ m\angle MNI = 19(7)+2=135^{\circ}[/tex]
135 degrees the two equations in the the triangle are equal to the angle you need to find
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