Understanding Perimeter and Width of a Rectangle

The video tutorial explains how to find the width of a rectangular fence given its perimeter and length. It starts by defining the problem and explaining the concept of perimeter. The tutorial then sets up an equation to represent the perimeter in terms of the rectangle's width and length. It includes a unit conversion from kilometers to meters to ensure consistency in calculations. Finally, the video demonstrates solving the equation to find the width, confirming the solution by checking the total perimeter.

What is the total perimeter of the rectangular fence in kilometers?

• 0.16 km

• 1.6 km

• 0.72 km

• 7.2 km

If the length of the fence is 160 meters, what is the total length of both longer sides of the rectangle?

• 160 meters

• 320 meters

• 480 meters

• 640 meters

How many meters are there in one kilometer?

• 1500 meters

• 1000 meters

• 500 meters

• 100 meters

What is the perimeter of the fence in meters after converting from kilometers?

• 7.2 meters

• 7200 meters

• 720 meters

• 72 meters

What equation represents the perimeter of the rectangle in terms of width (w) and length?

• w + 320 = 720

• 2w + 160 = 720

• w + 160 = 720

• 2w + 320 = 720

What is the width of the rectangle in meters?

• 250 meters

• 200 meters

• 150 meters

• 100 meters

What operation is performed to isolate the width (w) in the equation 2w + 320 = 720?

• Subtraction

• Division

• Addition

• Multiplication

After subtracting 320 from both sides of the equation, what is the resulting equation?

• w = 400

• 2w = 400

• w = 320

• 2w = 320

What is the final step to solve for the width (w) in the equation 2w = 400?

• Add 2

• Divide by 2

• Subtract 2

• Multiply by 2

How can you verify that the calculated width is correct?

• Check if the perimeter is 720 meters

• Check if the width is 160 meters

• Check if the length is 200 meters

• Check if the perimeter is 320 meters