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The perimeter of the rectangle below is 88 units. Find the length of side QR. Write your answer without variables.
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The perimeter of the rectangle below is 88 units. Find the length of side QR.

Write your answer without variables.

The perimeter of the rectangle below is 88 units. Find the length of side QR. Write-example-1
User Jika
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1 Answer

4 votes

Answer: QR = 21 Units

P = 2(l) + 2(w)


88= 2(4z-1) + 2(3z+3)


88 = 8z-2+6z+6


88 +2-6= 8z+6z


84=14z


(84)/(14) =(14z)/(14)


6 = z


QR = 3z+3


QR = 3(6) +3

QR = 21 Units

User Akhilesh Pandey
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