Question

12 БАЛЛОВ ТУТ ЛЕГКО ОДНО ЗАДАНИЕ Длина отрезка CB равна 5 дм и MN:CB= 3:1. Вычисли длину отрезка MN. Ответ: MN = _ дм. Ответить!

Answer 1

Объяснение:

МN : CB=3 : 1

MN=3CB

MN=3×5=15 дм

Answer 2

Calculating the Length of Segment MN

To calculate the length of segment MN, we can use the concept of proportionality. The given information is that the length of segment CB is 5 dm and the ratio of MN to CB is 3:1.

Step 1: Setting up the Proportion

We can set up the proportion using the given ratio and the length of segment CB: ``` MN : CB = 3 : 1 CB = 5 dm ```

Step 2: Solving for MN

To find the length of segment MN, we can use the proportion to solve for MN: ``` MN = (3/1) * CB = 3 * 5 = 15 dm ```

Answer: The length of segment MN is 15 dm.