Triangle Area and Polygon Properties

The video tutorial covers various aspects of polygons, including identifying polygons, counting edges and vertices, and calculating areas of different shapes like trapezoids, hexagons, and triangles. It demonstrates different methods for finding the area of a hexagon and provides exercises for drawing triangles with a specific area.

Which of the following figures is not a polygon?

• A two-dimensional figure

• A figure with a curved side

• A figure with all straight sides

• A closed figure with straight sides

How many edges and vertices does a polygon with 12 edges have?

• 12 edges and 12 vertices

• 10 edges and 12 vertices

• 10 edges and 10 vertices

• 12 edges and 10 vertices

What is the area of a trapezoid with a base of 6 and a height of 3?

• 18 square units

• 9 square units

• 12 square units

• 15 square units

How did Lynne decompose the hexagon to find its area?

• Into two squares

• Into three rectangles

• Into six identical triangles

• Into a rectangle and two triangles

What is the area of each triangle when Lynne decomposes the hexagon?

• 18.3 square inches

• 12.5 square inches

• 10.4 square inches

• 15.6 square inches

What is the base and height of the triangle used to find its area?

• Base: 10 units, Height: 3 units

• Base: 8 units, Height: 5 units

• Base: 11 units, Height: 2 units

• Base: 12 units, Height: 4 units

What is the area of a triangle with a base of 11 units and a height of 2 units?

• 22 square units

• 11 square units

• 13 square units

• 5.5 square units

Which of the following triangles has an area of 12 square units?

• Base: 6, Height: 4

• Base: 8, Height: 2

• Base: 5, Height: 5

• Base: 7, Height: 3

What is the base and height of the second triangle with an area of 12 square units?

• Base: 10, Height: 2

• Base: 7, Height: 3

• Base: 8, Height: 3

• Base: 6, Height: 4

What is the base and height of the third triangle with an area of 12 square units?

• Base: 6, Height: 4

• Base: 12, Height: 2

• Base: 8, Height: 3

• Base: 10, Height: 2