Answer:
r = -1
Step-by-step explanation:
The perimeter is:
Step-by-step explanation:
We have to add all the sides to find the perimeter.
Given sides are:
Perimeter is the measurement of outer boundary of a closed geometrical figure.
Let P be the perimeter
Then
Combining like terms
Hence,
The perimeter is:
Keywords: Perimeter, Parallelogram
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Answer:
i think you are missing something
Step-by-step explanation: