Properties and Measurements of Polygons

This video tutorial covers the use of the coordinate plane to solve problems and puzzles. It begins with an introduction to the coordinate plane, followed by instructions on drawing shapes with specific properties such as vertices, parallel lines, and right angles. The tutorial then moves on to plotting and analyzing polygons, navigating a maze using coordinates, and calculating distances. Finally, it provides homework and practice problems to reinforce the concepts learned.

Which of the following is NOT a property you need to consider when drawing a shape on the coordinate plane?

• Two sides of the same length

• Six vertices

• At least one right angle

• Three parallel sides

What is a key characteristic of a polygon?

• It has curved sides.

• Its line segments intersect.

• It is always a 3D shape.

• Its line segments meet only at the ends.

When plotting a polygon, what is the first step?

• Connect the points randomly.

• Plot the given coordinates on the plane.

• Calculate the area first.

• Draw a circle around the points.

How can you find the area of a polygon on the coordinate plane?

• By drawing circles around it.

• By dividing it into right-angled triangles and rectangles.

• By measuring its perimeter.

• By counting the number of vertices.

What is the total distance Andre walked in the maze?

• 80 units

• 70 units

• 60 units

• 90 units

What is the perimeter of a rectangle with coordinates (3,0), (3,5), (-4,0), and (-4,5)?

• 24 units

• 18 units

• 28 units

• 20 units

If a square has a perimeter of 20, what is the length of each side?

• 4 units

• 7 units

• 5 units

• 6 units

How do you determine the length of a line segment on the coordinate plane?

• By drawing a parallel line.

• By finding the difference between the x or y coordinates of its endpoints.

• By counting the number of vertices.

• By measuring the angle it makes with the x-axis.

What is the correct equation to find Andre's cat's weight if it is 1.2 kg more than Jada's cat weighing 3.45 kg?

• x = 3.45 * 1.2

• x = 3.45 - 1.2

• x = 3.45 + 1.2

• x = 3.45 / 1.2

If apples cost $1.60 per pound at the farmer's market and 1.5 times as much at the grocery store, what is the cost per pound at the grocery store?

• $2.50

• $2.40

• $2.00

• $1.80