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Once again need math help
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Once again need math help

Once again need math help-example-1
User JohnSUN
by
7.5k points

1 Answer

5 votes

Answer:

25

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

User Tyzoid
by
8.2k points
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