Area Formulas and Calculations

This video tutorial covers the calculation of areas for various geometric shapes, including triangles, quadrilaterals, parallelograms, trapezoids, kites, and rhombuses. It provides detailed explanations of the formulas used to calculate these areas and offers example problems to illustrate the concepts. The tutorial emphasizes understanding the reasoning behind each formula to aid in memorization and application.

What pages in the textbook should you refer to for this lesson on areas?

• Pages 200 to 208

• Pages 372 to 380

• Pages 100 to 108

• Pages 500 to 508

Which theorem number is associated with the area of a rectangle?

• Theorem 6.22

• Theorem 6.20

• Theorem 6.23

• Theorem 6.21

What is the formula for the area of a square?

• Base times height

• Length times width

• Side squared

• Diagonal times diagonal

How is the area of a parallelogram calculated?

• Length times width

• Base times height

• Side squared

• Diagonal times diagonal

What is the formula for the area of a triangle?

• Base times height

• 1/2 base times height

• Length times width

• Diagonal times diagonal

How do you calculate the area of a trapezoid?

• Diagonal times diagonal

• Base times height

• 1/2 base times height

• Average of bases times height

What is the formula for the area of a kite?

• 1/2 diagonal one times diagonal two

• Length times width

• 1/2 base times height

• Base times height

In the example problem, what is the area of the triangle with a base of 4.5 and height of 4?

• 10

• 11

• 9

• 8

What is the area of a parallelogram with a base of 16 and height of 8?

• 512

• 128

• 64

• 256

If a trapezoid has bases of 9 and 19, and a height of 5, what is its area?

• 70

• 100

• 80

• 90