Calculating Areas of Shapes

The video tutorial covers the concept of composite figures, explaining how to find their area by breaking them into simpler shapes like rectangles, triangles, and squares. It provides examples, including calculating the area of an entryway and a shaded region, and concludes with encouragement for practice.

What is a composite figure?

• A shape made of only triangles

• A shape made of only circles

• A shape made of two or more simpler shapes

• A shape made of only squares

Which of the following is NOT a simpler shape used in composite figures?

• Triangle

• Square

• Rectangle

• Hexagon

How do you find the area of a rectangle?

• Side squared

• Base times height

• Base times height divided by two

• Length times width

What is the formula for the area of a triangle?

• Base times height

• Base times height divided by two

• Length times width

• Side squared

If a rectangle has a length of 10 and a width of 4, what is its area?

• 20

• 80

• 40

• 14

How many rectangles are used in the example to find the area of the entryway?

• Four

• Three

• Two

• One

What is the area of a square with a side length of 4?

• 16

• 12

• 20

• 8

How do you calculate the area of a trapezoid?

• Length times width

• Base one plus base two times height divided by two

• Base times height

• Side squared

What is the area of a trapezoid with bases of 12 and 9, and a height of 6?

• 63

• 90

• 72

• 81

What is the area of a square with a side length of 12?

• 156

• 144

• 132

• 120