Understanding Composite Areas and Nets

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

• One half times Base times Height

• One half times (Base plus Height)

• Base plus Height

• Base times Height

How do you find the area of a parallelogram?

• Length times Width

• One half times Base times Height

• Base times Height

• Base plus Height

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

• Base times Height

• One half times Height times (Base1 plus Base2)

• Base1 plus Base2 times Height

• One fourth times Base times Height

How is the area of a quarter circle calculated?

• Pi times radius squared divided by 4

• Pi times diameter squared

• One half times Pi times radius squared

• Pi times radius squared

How do you calculate the area of a composite figure?

• Divide the total area by the number of shapes

• Add the areas of all basic shapes

• Multiply the areas of all basic shapes

• Subtract the areas of smaller shapes from the larger one

What is the area of a square if one side is 14 units?

• 56 square units

• 14 square units

• 196 square units

• 28 square units

How do you find the area of a circle with a radius of 3.5 units?

• 3.14 times 3.5 squared

• 2 times Pi times radius

• One half times Pi times radius squared

• Pi times diameter squared

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

• Add the areas of all shapes involved

• Subtract the area of the smaller shape from the larger one

• Calculate the area of the largest shape

• Identify the basic shapes

What does the net of a 3D shape represent?

• The volume of the shape

• The area of the shape when unfolded into 2D

• The perimeter of the base of the shape

• The height of the shape

What is the total surface area of a square pyramid with a base side of 6 units and triangle height of 4 units?

• 84 square units

• 72 square units

• 96 square units

• 108 square units