Parallelogram ABCD has perimeter 26 and long side 10. Find the smaller side of the parallelogram.

univerkov | February 13, 2021 | education

1. Let’s denote the smaller side of the parallelogram ABCD by x.

2. Let’s compose and solve the equation:

(x + 10) * 2 = 26;

x + 10 = 26: 2;

x + 10 = 13;

x = 13 – 10;

x = 3.

3. The smaller side of parallelogram ABCD is x = 3.

Answer: The smaller side of the parallelogram ABCD is 3.

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