Area and Perimeter of Shapes

Mrs. de Wald introduces polygons in the coordinate plane, focusing on graphing points and calculating perimeter and area. The lesson covers using absolute value to find distances between points and calculating the perimeter of a square garden. It also includes graphing letters as polygons and finding the area of complex shapes by dividing them into rectangles.

What is the primary focus of the lesson on polygons in the coordinate plane?

• Understanding angles in polygons

• Solving algebraic equations

• Learning about 3D shapes

• Graphing points and finding perimeters

How do you find the distance between two points with different signs using absolute value?

• Divide the absolute values

• Subtract the absolute values

• Add the absolute values

• Multiply the absolute values

What is the perimeter of a square garden if each side measures 6 units?

• 24 units

• 30 units

• 18 units

• 12 units

How do you calculate the area of a square?

• Side squared

• Diameter times radius

• Base times height

• Length times width

What is the area of a square garden with a side length of 6 units?

• 12 square units

• 24 square units

• 36 square units

• 48 square units

When graphing letters as polygons, why might you divide the shape into rectangles?

• To make the shape symmetrical

• To use a known formula for area calculation

• To simplify the graphing process

• To reduce the number of vertices

What is the method used to count the distance between points on a graph?

• Hopping method

• Leapfrog method

• Skipping method

• Jumping method

How do you determine the area of a complex shape like the letter 'L' on a coordinate plane?

• By using the formula for circles

• By dividing it into triangles

• By dividing it into rectangles

• By using the formula for trapezoids

What is the area of two rectangles with dimensions 6x2 units each?

• 48 square units

• 12 square units

• 24 square units

• 36 square units

What unit is used to express the area of a shape on a coordinate plane?

• Circular units

• Square units

• Linear units

• Cubic units