9-1 Formulas for Parallelograms - GEOMETRY

The video tutorial covers formulas for calculating the area of various geometric figures, focusing on parallelograms. It explains the formula for the area of a parallelogram as base times height and demonstrates this with an example problem. The tutorial also shows how to use the Pythagorean theorem to find the height when it is not directly given, ensuring the correct application of the area formula.

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

• Length plus width

• Base plus height

• Length times width

• Base times height

Which of the following is true about the sides of a parallelogram?

• Opposite sides are parallel

• All sides are equal

• All angles are right angles

• Adjacent sides are perpendicular

In the example problem, what method is used to find the height of the parallelogram?

• Graphical estimation

• Trigonometry

• Pythagorean theorem

• Algebraic substitution

What is the calculated area of the parallelogram in the example problem?

• 20 square units

• 24 square units

• 30 square units

• 18 square units

What is the length of the height found using the Pythagorean theorem in the example?

• 6 units

• 4 units

• 5 units

• 3 units