Understanding Perimeter and Shapes

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. Examples are provided for each shape to illustrate the calculation process. The tutorial emphasizes understanding the formulas and applying them to find the perimeter of given dimensions.

What is the origin of the word 'perimeter'?

• Spanish words 'peri' and 'metron'

• French words 'peri' and 'metron'

• Greek words 'peri' and 'metron'

• Latin words 'peri' and 'metron'

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

• Kilograms

• Liters

• Celsius

• Meters

How is the perimeter of a triangle calculated?

• By subtracting the lengths of its sides

• By adding the lengths of its sides

• By multiplying the lengths of its sides

• By dividing the lengths of its sides

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

• 25 meters

• 20 meters

• 35 meters

• 30 meters

What is the formula for the perimeter of a rectangle?

• Length plus breadth

• Length times breadth

• 4 times the length

• 2 times the sum of length and breadth

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

• 80 kilometers

• 70 kilometers

• 60 kilometers

• 50 kilometers

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

• 40 meters

• 30 meters

• 25 meters

• 20 meters

How do you calculate the perimeter of a square?

• By adding the lengths of all four sides

• By multiplying the length of one side by 4

• By adding the length and breadth

• By multiplying the length by the breadth

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

• 40 centimeters

• 30 centimeters

• 60 centimeters

• 50 centimeters

Which shape has all sides of equal length?

• Triangle

• Rectangle

• Square

• Circle