Area and Perimeter Answers

You are installing a window for a customer that has an area of 10 square feet. You know the length, or height, of the window is 5 feet. You need to determine the width of the window to cut the right size opening. Which formula can be used to find the width of the window?

You are building a triangular corner shelf for a customer. The shelf has an area of 6 square feet. The height of the shelf is 3 feet. What formula can be used to calculate the length of the base of the shelf?

You are laying brick for a custom circular patio fire pit. The radius of the fire pit is 36 inches. In square feet, what amount of patio space is needed for the fire pit?

You work for a wedding planner and have been asked to buy material for the table runners. Each runner is 4 feet long and 8 inches wide. How much decorative material do you need, in square inches, for the top of each table runner?

You are preparing to tile the backsplash in a kitchen. The area you are tiling measures feet by feet. The tiles you plan to use are sold in boxes that have enough tiles to cover 10 square feet. What is the minimum number of boxes of tiles you should order to complete the job?

You are soldering a circular metal pendant that has a diameter of 4 inches. The gems you plan to use on the pendant are sold in bags with enough to cover 5 square inches. What is the minimum number of bags of gems you should order to complete the job?

You are installing siding on a house and are calculating the area of the triangular section at the top of the house to determine how much siding you need. The base is 12 yards and the height is 17.4 feet. To calculate the area, you write square feet. Is this correct?

You are installing a granite countertop that has a length of 8 feet and a width of 18 inches. To determine the amount of granite you need in square feet, you write the calculation (8)(18) = 144 square feet. Is this correct?