Understanding Composite Areas and Nets

What formula is used to calculate the area of a triangle?

• Base times Height

• One half times Base times Height

• Base plus Height

• One half times Base plus Height

How do you find the area of a parallelogram?

• Base times Height

• One half times Base times Height

• Base plus Height

• Length times Width

What is the formula to calculate the area of a trapezoid?

• Base times Height

• Base1 plus Base2 plus Height

• One half times (Base1 + Base2) times Height

• One fourth times (Base1 + Base2) times Height

What is the area of a circle with a radius of 7 cm?

• Approximately 157 cm²

• Approximately 150 cm²

• Approximately 154 cm²

• Approximately 153.86 cm²

How do you calculate the area of a composite figure?

• Add the areas of all basic shapes

• Divide the area of the largest shape by the number of shapes

• Subtract the areas of smaller shapes from the larger one

• Multiply the areas of all basic shapes

What is the first step in finding the area of shaded regions in composite figures?

• Identify and calculate the area of basic shapes

• Subtract the area of unshaded parts from the total area

• Find the area of the entire figure

• Calculate the area of the shaded region directly

How is the area of a square calculated?

• Side times Side

• Base times Height

• Length plus Width

• One half times Base times Height

How is the area of the shaded region within a composite figure calculated?

• By dividing the total area by the number of shapes

• By multiplying the area of all shapes

• By subtracting the area of unshaded parts from the total area

• By adding the area of the shaded parts

What does the net of a 3D shape represent?

• The perimeter of the shape

• The density of the shape

• The area of the shape when unfolded into 2D

• The volume of the shape

How do you find the total surface area of a square pyramid using its net?

• Add the area of the base to the area of the lateral faces

• Multiply the area of the base by the number of triangles

• Subtract the area of the base from the total area of triangles

• Divide the area of the base by the total area of triangles