Area and Perimeter of Shapes

This video tutorial covers the calculation of areas for various 2D shapes, including rectangles, triangles, parallelograms, and trapeziums. It explains the formulas needed for each shape and provides examples to illustrate the calculations. The video also touches on the importance of using the correct dimensions, such as the vertical height, in these calculations.

What is the formula for calculating the area of a rectangle?

• Length plus width

• Length times width divided by two

• Base times height

• Base plus height

If a rectangle has a base of 7 cm and a height of 3 cm, what is its area?

• 30 cm squared

• 24 cm squared

• 21 cm squared

• 10 cm squared

How is the area of a square calculated?

• Side plus side

• Side times side

• Base plus height

• Base times height

What is the formula for calculating the area of a square?

• Side times side

• Base times height

• Side plus side

• Base plus height

If a square has a side length of 4 cm, what is its area?

• 20 cm squared

• 16 cm squared

• 12 cm squared

• 8 cm squared

What is the formula for the area of a triangle?

• Base plus height divided by two

• Base times height

• Base times height divided by two

• Base plus height

Which shape's area calculation uses the formula 'base times height divided by two'?

• Parallelogram

• Rectangle

• Square

• Triangle

Which shape's area calculation uses the formula 'base times height divided by two'?

• Triangle

• Parallelogram

• Square

• Rectangle

For a triangle with a base of 8 cm and a height of 10 cm, what is the area?

• 40 cm squared

• 80 cm squared

• 20 cm squared

• 60 cm squared

Why is the sloped side of a triangle not used in area calculations?

• It is not the vertical height

• It is not a part of the formula

• It is not given

• It is always longer