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what is m∠g ?

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In a triangle, the sum of the angles is equal to 180. This allows us to write an equation to find x.

x+3x+25+(x-5)=180
Simplify this to get
5x+20=180
Subtract 20 from both sides to get:
5x=160
Divide both sides by 5 to get that x=32

Now we can plug this into angle G to find its measure.

3(32)+25
=96+25
=121

So angle G is equal to 121 degrees.

:)

X+3x+25+x-5=180
5x+20=180
5x=160
x=32

121=angle G Hope I didn't mess up for your sake

Hope i can you!