Triangle and Parallelogram Area Concepts

This video tutorial explains how to calculate the area of triangles and parallelograms. It begins with an introduction to the concept of area, followed by a detailed explanation of the formula for finding the area of a triangle using base and height. The tutorial includes examples with different triangle configurations. It then transitions to parallelograms, explaining the formula for their area and providing examples. The video concludes with a complex shape example combining a triangle and a parallelogram, demonstrating how to calculate the total area. The tutorial ends with a call to action for viewers to subscribe.

What does the area of a shape represent?

• The length of its sides

• The amount of space inside the shape

• The perimeter of the shape

• The volume of the shape

Which formula is used to calculate the area of a triangle?

• Base times height

• Base plus height

• One-half times base times height

• Base divided by height

In the formula for the area of a triangle, what does 'base' refer to?

• The height of the triangle

• The diagonal of the triangle

• The side the triangle is sitting on

• The longest side of the triangle

How do you determine the height of a triangle?

• By measuring the angle at the base

• By measuring the longest side

• By drawing a line parallel to the base

• By drawing a perpendicular line from the base to the opposite vertex

What is the area of a triangle with a base of 7 cm and a height of 10 cm?

• 140 cm squared

• 70 cm squared

• 35 cm squared

• 17.5 cm squared

For a triangle with a base of 8 feet and a height of 7 feet, what is the area?

• 28 feet squared

• 14 feet squared

• 56 feet squared

• 35 feet squared

What is the formula for the area of a parallelogram?

• One-half times base times height

• Base times height

• Base plus height

• Base divided by height

In a parallelogram, what is the 'base'?

• The side the shape is sitting on

• The height of the shape

• The diagonal of the shape

• The longest side

How do you find the height of a parallelogram?

• By measuring the angle at the base

• By drawing a line parallel to the base

• By measuring the longest side

• By drawing a perpendicular line from the base to the opposite side

What is the area of a parallelogram with a base of 5 cm and a height of 4 cm?

• 9 cm squared

• 25 cm squared

• 10 cm squared

• 20 cm squared