Understanding Perimeter Concepts

The video tutorial covers the concept of perimeter, explaining its origin and meaning. It details how to calculate the perimeter of different polygons, including triangles, rectangles, and squares, using specific formulas. Each section provides a clear example to illustrate the calculation process, ensuring a comprehensive understanding of the topic.

What is the origin of the word 'perimeter'?

• French words 'peri' and 'metron'

• Spanish words 'peri' and 'metron'

• Latin words 'peri' and 'metron'

• Greek words 'peri' and 'metron'

Which of the following units can be used to measure perimeter?

• Liters

• Kilograms

• Meters

• Seconds

How is the perimeter of a triangle calculated?

• By dividing the lengths of all sides

• By multiplying the lengths of all sides

• By subtracting the lengths of all sides

• By adding the lengths of all sides

If a triangle has sides of 7m, 8m, and 10m, what is its perimeter?

• 35 meters

• 20 meters

• 25 meters

• 30 meters

Which shape has a perimeter calculated by adding the lengths of three sides?

• Circle

• Rectangle

• Square

• Triangle

What is the formula for the perimeter of a rectangle?

• Length plus breadth

• 2 times the sum of length and breadth

• Length times breadth

• 4 times the length

A rectangle has a length of 18 km and a breadth of 12 km. What is its perimeter?

• 70 kilometers

• 50 kilometers

• 60 kilometers

• 80 kilometers

What is the perimeter of a rectangle with length 10 meters and breadth 5 meters?

• 40 meters

• 30 meters

• 25 meters

• 20 meters

How do you calculate the perimeter of a square?

• By dividing the length of one side by four

• By subtracting the length of one side from four

• By multiplying the length of one side by four

• By adding the lengths of all four sides

If each side of a square is 10 cm, what is its perimeter?

• 30 centimeters

• 40 centimeters

• 50 centimeters

• 60 centimeters