Calculating Area and Perimeter

Calculate the area of this shape.

• 12cm

• 12cm²

• 16cm

• 16cm²

Calculate the area of this rectangle.

• 26cm

• 26cm²

• 40cm²

• 40cm

If I wanted to put a fence around my garden, what would I need to measure to find the distance of fence I would need to buy?

• Area

• Perimeter

When solving contextual problems involving composite plane figures, what should be the final step?

• Subdividing the figure into known shapes

• Identifying the number of sides in the figure

• Finding the dimensions of the figure

• Calculating the area or perimeter of the entire figure

What attribute is used to determine the perimeter of a composite figure?

• Length of sides

• Area of subdivisions

• Volume of subdivisions

• Circumference of subdivisions

How can the area of a composite plane figure be determined?

• By adding the areas of the subdivisions

• By subtracting the areas of the subdivisions

• By dividing the areas of the subdivisions

• By multiplying the perimeters of the subdivisions

What is the formula for calculating the area of a circle?

• 2πr

• πr^2

• 2πd

• πd

What formulas can be applied to solve problems involving composite plane figures?

• Diameter, radius, and area formulas

• Volume, surface area, and perimeter formulas

• Length, width, and height formulas

• Perimeter, circumference, and area formulas

How can the area of a composite figure be calculated if the areas of the subdivisions are known?

• By dividing the areas of the subdivisions

• By multiplying the perimeters of the subdivisions

• By subtracting the areas of the subdivisions

• By adding the areas of the subdivisions

What attribute is used to determine the area of subdivisions in a composite figure?

• Area

• Perimeter

• Volume

• Circumference