Steve plans to use 28 feet of fencing to enclose region of his yard for a pen for his pet rabbit. What is the area, in square feet, of the largest rectangular region Steve can enclose?

What is the area of the largest rectangle field which can be enclosed with 200 m fencing ?

Frank the Fencemaker needs to fence in a rectangular yard. He fence in three of four sides of the yard. The unfenced side of the yard is 40 feet long. The yard has an area of 280 square feet. What is the length , in feet, of the fence that Frank installs?

A rectangular piece of cloth has a length of 6 feet and a width of 1.5 feet . Brad estimates that the area is 12 square feet. His estimate is approximately what percent greater than the actual area ?

Jonathon wants to plane a rectangular fence around the border to his backyard. The width of the fence will be 350 inches more than 5 times the length of the fence. What will be the perimeter of Jonathon's fence if the area of the fence is 64,680 square inches ?

A grain silo, shown below, is in the shape of cylinder with a half sphere on top . The radius of the base of the cylinder is 10 feet , and the height of the cylindrical part is 60 feet, as marked The farmer who owns the silo plans to apply a coat of paint to the cylindrical exterior . This does not include the spherical top . A formula for the lateral surface area S of a cylinder with radius r and height h is S=2pirh . if one can of paint covers 300 square feet of surface, what is the least number of cans that the farmer must buy to complete the job ?

Jack waters his lawn with a sprinkler that sprays water in a circular pattern. The maximum reach of the sprinkler is 15 feet , and the sprinkler head rotates through an angle of 300^@ , as shown in the diagram below . The sprinkler head is represented at point O. To the nearest square foot , what is the area of the lawn (the shaded area ) that receives water from the sprinkler ?