|
Some of the questions in this course may be answered by recording an audio file. If you chose to record the answer, click on the Add Recording button and follow the on-screen instructions closely. Once you have completed and attached the recording, enter the word “COMPLETE” in the text box. (Note: If your computer does not have a built-in microphone, a microphone or microphone/headset combination is needed to record audio.)
Recording Audio Alert: The latest version of Java must be installed on your computer in order to record audio. If you are having difficulty, please go to: www.java.com and click on " Free Java Download." For Windows users, you will then click on "Agree & Start Free Download." For other operating systems, click on the "All Java Downloads" link to find your specific instructions. You may need to restart (close and re-open) your browser to enable the Java installation in your browser.
|
|
|
| |
|
Surface Area of a Rectangular Prism |
|
|
| |
| 1) The given net is the two-dimensional view of what solid? What is the solid’s surface area? |
 |
|
|
| |
|
| |
|
| 3) The figure below represents a box that has been unfolded and lain flat. The lightly-colored (yellow) rectangles represent the bottom and the lid of the box. The darker-colored (blue) rectangles represent the sides of the box. Each square is one unit in length and width. What is the surface area of the prism? |
 |
|
|
| |
|
| |
|
| 5) Notice that each of the dimensions of Rectangular Prism B is double the length of the dimensions in Rectangular Prism A. Calculate the surface area of each prism and select the statement that is true about both prisms |
 |
|
|
| |
|
| |
| |
|
| 7) If the edge of a cube measures seven centimeters, what is the surface area of the cube? |
 |
|
|
| |
|
| |
|
| 9) What is the surface area of the die shown below with an edge measuring 0.72 inches in length? Express the answer to the nearest one hundredth of an inch. |
 |
|
|
| |
|
| 10) Becky ordered a new computer monitor as a birthday present for her sister. The monitor arrived in a cube-shaped box that measured 0.8 feet on one edge. Becky needed at least how much gift wrap paper to cover the whole box? Select the most reasonable answer. |
 |
|
|
| |
|
| 11) The edge of Cube A measures 5 meters and the edge of Cube B is double the length of Cube A. Calculate the surface area of both cubes, and then determine if the following statement is true or false: “The surface area of Cube B is double the surface area of Cube A. |
 |
|
|
| |
|
| Surface Area of a Triangular Prism |
|
|
| |
| 12) What is the surface area of the triangular prism shown below that is displayed in its “net” form? |
 |
|
|
| |
|
| 13) What is the surface area of the triangular prism? |
 |
|
|
| |
|
| 14) What is the surface area of the triangular prism? |
 |
|
|
| |
|
| Surface Area of a Cylinder |
|
|
| |
| For the remaining part of this unit, use 3.14 for “pi” in the formulas, as needed. |
|
|
| |
| |
|
| 16) What is the surface area of a cylinder with a radius of 4 centimeters and a height of 12 centimeters? |
 |
|
|
| |
|
| 17) What is the surface area of a can of mushrooms with a diameter of 2.5 inches and a height of 2.5 inches? |
 |
|
|
| |
|
| 18) What is the surface area of the cylinder?
|
 |
|
|
| |
|
| |
|
| Surface Area of a Pyramid |
|
|
| |
| 20) Describe, in detail, the difference between the height of a pyramid and the “slant” height of a pyramid. Assume the pyramid as a square base. |
|
4000 character(s) left
Your answer is too long. |
|
|
Attachments |
|
| 21) What is the surface area of the pyramid shown below that is displayed in its “net” form? |
 |
|
|
| |
|
| 22)
What is the surface area of a pyramid with a square base that measures 14 centimeters on each side and a slant height of 19 cm? |
 |
|
|
| |
|
| 23) A pyramid has a surface area of 96 square meters. The base is a square with edges measuring 6 meters. Is the following statement true or false? The height of the pyramid is 7 meters. (Use the figure and formula below plus substitution to help determine the correct answer.) |
 |
|
|
| |
|
| |
|
| |
| |
|
| |
|
| |
|
| |
|
| |
| |
|
| |
|
| 31) The surface area for the sphere is 800 square centimeters. Follow the steps and instructions provided below to find the radius of the sphere. Answer the following questions: (a) In Steps 3 and 4, what number is missing? (b) In Step 5, what number is missing? Express this number to the nearest ten thousandth. (c) What is the radius of the sphere (Step 6)? Express this number to the nearest hundredth. |
 |
4000 character(s) left
Your answer is too long. |
|
| |
|
| |
|
| |
|
| 34) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
|
| No offline activities found |
0 Hour(s) & 0 Minute(s)
|
|
|
Attachments |
|