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The perimeter of the triangle below is 55 units. Find the length of side QR. Write your answer without variables.

The perimeter of the triangle below is 55 units. Find the length of side QR. Write your answer without variables.
asked 134k views
5 votes
The perimeter of the triangle below is 55 units. Find the length of side QR.

Write your answer without variables.

The perimeter of the triangle below is 55 units. Find the length of side QR. Write-example-1
asked
User Garethb
by
8.0k points

1 Answer

4 votes

Answer:

QR = 8

Explanation:

  • find y with an equation

5y+y+3+4y+2=55

10y=55-3-2

10y=50

y=50:10

y=5

  • find QR

QR = y+3

5+3=8

answered
User Aminadav Glickshtein
by
8.4k points
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