
Помогите! Одна сторона параллелограмма составляет 30% от его периметра. Сколько процентов
составляет эта сторона от другой стороны параллелограмма? С объяснением действий.

Ответы на вопрос

Ответ: 20%



Calculating the Percentage of One Side of a Parallelogram Compared to the Other
To calculate the percentage of one side of a parallelogram compared to the other, we can use the information provided. Let's denote the two sides of the parallelogram as A and B.
Given: - One side of the parallelogram (let's call it A) constitutes 30% of its perimeter.
We want to find: - The percentage that side A constitutes of the other side (B) of the parallelogram.
Solution Steps:
1. Determine the Perimeter of the Parallelogram: - Let's denote the perimeter of the parallelogram as P.2. Calculate the Percentage of Side A Compared to Side B: - We'll use the fact that side A constitutes 30% of the perimeter to calculate the percentage of side A compared to side B.
3. Express the Result: - Finally, we'll express the percentage of side A compared to side B.
Solution
1. Determine the Perimeter of the Parallelogram: - Let's denote the length of side A as 'a' and the length of side B as 'b'. - The perimeter of a parallelogram is given by the formula: P = 2(a + b).2. Calculate the Percentage of Side A Compared to Side B: - Given that side A constitutes 30% of the perimeter, we can express this as: a = 0.3P. - We can also express side B in terms of the perimeter: b = (P - 2a)/2.
3. Express the Result: - To find the percentage of side A compared to side B, we can calculate: (a/b) * 100%.
By following these steps, we can determine the percentage that side A constitutes of side B in the parallelogram.


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