aidenperez0126 aidenperez0126

18-04-2019
Mathematics

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Once again need math help

Once again need math help class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-04-2019

Answer:

25

Step-by-step explanation:

The sum of the three angles of a triangle are 180 degrees

We have

(n+40) + 90 + n = 180

Combine like terms

2n +130 = 180

Subtract 130 from each side

2n +130-130 = 180-130

2n = 50

Divide by 2

2n/2 = 50/2

n = 25

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