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1 vote
I need help ASAP!! I dont understand how to do this

I need help ASAP!! I dont understand how to do this-example-1
User Yehudit
by
7.1k points

2 Answers

6 votes

Answer:

s₃ = 4n² - 6

Explanation:

The perimeter is the sum of the three sides. The unknown side will be a variable expression.

Perimeter = s₁ + s₂ + s₃

s₃ = Perimeter - s₁ - s₂

s₃ = (-6n² - 2) - (-8n² + 2) - (-2n² + 2)

s₃ = -6n² - 2 + 8n² - 2 + 2n² - 2

s₃ = 4n² - 6

You can check this by summing s₁, s₂, and s₃ and you should get the given perimeter as your answer.

User Moffen
by
8.7k points
3 votes
Adding all of them it would be 374 Degrees
User Ferosekhanj
by
8.4k points

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