Geometry and Measurement 7

Adam was painting a wall in his room. The wall was 4 feet wide and 4 feet tall. What is the area of the wall he has to paint?

• 16ft

• 8ft

• 12ft

• 4ft

Answer explanation

The area of the wall to paint is calculated by multiplying the width (4ft) by the height (4ft), which equals 16 square feet. Therefore, Adam has to paint 16ft of wall area.

A lawn had an area of 35 square feet. If it was 7 feet width, how long was it? 

• 84 ft.

• 245 ft.

• 5 ft.

• 14 ft.

Answer explanation

To find the length, divide the area by the width: 35 sq ft / 7 ft = 5 ft. Therefore, the length of the lawn is 5 ft.

A rectangle flower bed had a total area of 35 square yards. If it was 5 yards wide, how long was it? 

• 175 yards

• 7 yards

• 15 yards

• 30 yards

Answer explanation

To find the length of the rectangle flower bed, divide the total area (35 sq yards) by the width (5 yards). This gives a length of 7 yards.

A video game map was 3 meters wide and 5 meters long, what is the area of the map? 

• 30 meters

• 26 meters

• 15 meters

• 8 meters

Answer explanation

To find the area of the map, multiply the width (3 meters) by the length (5 meters) which equals 15 square meters. Therefore, the correct answer is 15 meters.

Sarah had a sheet of paper that was 3 inches long and 7 inches wide. What is the perimeter of the paper? 

• 20 inches

• 21 inches

• 24 inches

• 22 inches

Answer explanation

The perimeter of a rectangle is calculated by adding all four sides. In this case, 3+3+7+7 = 20 inches. Therefore, the correct answer is 20 inches.

A piece of plywood was cut so its length was 6 feet by 5 feet. What is the perimeter of the wood? 

• 30 feet

• 22 feet

• 11 feet

• 30 feet

Answer explanation

To find the perimeter, add up all the sides: 6 + 6 + 5 + 5 = 22 feet. Therefore, the correct answer is 22 feet.

What is the area of this figure?

• 40 square cm

• 4 square cm

• 400

Answer explanation

The correct area of the figure is 40 square cm, which matches the provided correct answer choice.

If I wanted to place a fence around my backyard to keep my dog from running away, I would be looking at?

• Perimeter

• Area

Answer explanation

If you wanted to place a fence around your backyard to keep your dog from running away, you would be looking at the perimeter, which is the boundary around the area.

Ashley wants to use ribbon to put a border around her picture. The picture is 6 inches long and 4 inches wide. How much border will she need?

• 24 inches

• 20 inches

• 10 inches

Answer explanation

To find the border length, add the perimeter of the picture (6+6+4+4=20 inches). Therefore, Ashley will need 20 inches of ribbon for the border.

Find the perimeter of this triangle.

• 20 cm

• 35 cm

• 40 cm

• 12.5 cm

Answer explanation

The perimeter of a triangle is the sum of the lengths of its three sides. In this case, the perimeter is 20 cm as given in the correct answer choice.