

Какая сторона здесь самая длинная?
Which side is the longest here?
Эта сторона равна пяти сантиметрам.
This side is five centimeters long.
У треугольника одна сторона короче.
One side of the triangle is shorter.
"сторона" is in the lesson "Geometric figures" (Level 45), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.