Quarter 4 Quiz 1

You just bought a brand-new phone, and you want to make sure no one is spying on you by hacking your camera. To prevent this, you are going to cover the camera lens indicated in the picture below. Approximately how much material do you need to cover this lens? Round your answer to the nearest tenth. Show your work and don't forget to include UNITS!

Bobbie needs to buy mulch to cover a trapezoidal flowerbeds at his office building with the dimensions below. If a bag of mulch costs $15 and it covers 17 square feet, how much will it cost to cover the flowerbed with mulch? (hint: take the measure of the flowerbed and divide it by 17 square ft to get the amount of bags)

The perimeter of the rectangle below is 100 cm. Solve for x.

• x= 14.2

• x= 17.8

• x= 20.3

• x= 12.5

The width of the rectangle is 12.5 cm and the length is 37.5 cm, what is the area?

Determine the approximate area of the composite figure below. Round to the nearest tenth)

• Total Area= 276.7

• Total Area= 576.7

• Total Area= 296.7

• Total Area= 274.8

Determine the shape of the cross section of the figure below.

• Oval

• Circle

• Trapezoid

• Rectangle

Determine the area of the cross-section of the cylinder given the diameter of the base of the cylinder is 3 feet and the height of the cylinder is 4 feet.

Circle which option when cross sectioned will create a 2d triangle.

Select the solid of revolution.

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