Police use tear gas to disperse protesters rallying against US film

The video tutorial focuses on the concept of perimeter, specifically emphasizing the measurement of 30 units around a boundary. The repetition of the phrase '30 фунтов по периметру' serves to reinforce the understanding of perimeter measurement in a geometric context.

What is the primary focus of the initial section of the video?

• Introduction to area

• Introduction to perimeter

• Introduction to volume

• Introduction to weight

How many times is the concept of '30 pounds' mentioned in the first section?

• Once

• Four times

• Three times

• Twice

What is the main idea reinforced in the second section of the video?

• The concept of weight

• The concept of volume

• The concept of perimeter

• The concept of area

In the second section, how is the concept of perimeter emphasized?

• By using different units

• By repeating the same example

• By introducing new examples

• By changing the measurement

What is the purpose of the final section of the video?

• To introduce a new concept

• To conclude the repeated examples

• To change the measurement

• To discuss a different topic