Understanding Area of Shapes

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

• Length times width

• Base plus height

• Base times height divided by 2

• Length plus width

If a rectangle has a length of 10 units and a width of 4 units, what is its area?

• 14 square units

• 50 square units

• 40 square units

• 20 square units

How do you calculate the area of a triangle?

• Base plus height

• Length times width

• Base times height divided by 2

• Base times height

A triangle has a base of 12 units and a height of 5 units. What is its area?

• 24 square units

• 15 square units

• 30 square units

• 60 square units

What is the formula for finding the area of a parallelogram?

• Base times height

• Base plus height

• Base times height divided by 2

• Length times width

How do you calculate the area of a trapezoid?

• Base times height

• Base plus height divided by 2

• Add the lengths of the bases, divide by 2, then multiply by height

• Length times width

If the area of a square is 64 square units, what is the length of one side?

• 12 units

• 6 units

• 8 units

• 10 units

A rectangle has an area of 72 square units and a length of 12 units. What is the width?

• 5 units

• 8 units

• 6 units

• 7 units

Lulu's room measures 11 feet by 14 feet. If tiling costs $3.75 per square foot, what is the total cost?

• $450.00

• $600.00

• $577.50

• $525.00

What is the first step in calculating the cost of tiling a room?

• Measure the height of the room

• Calculate the area of the room

• Determine the cost per tile

• Find the perimeter of the room