| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Sixth Grade Mathematics Volume 2 | pptx | 6 MB |
"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 4
Description
"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware 4
What is the minimum area of cardboard needed to make a cylindrical carton? (Interface is not included)
This is the required surface area of the cylinder.
The base area of a cylinder is easy to find, but how to find the side area of the cylinder?
The length of the rectangle = the circumference of the base of the cylinder, and the width of the rectangle = the height of the cylinder.
Side area of cylinder = perimeter of base × height
S side=Ch=πd·h=2πr·h
Basic questions
(1) The diameter of the bottom of a cylindrical pool is 8 meters and the depth of the pool is 2 meters. If a pool is plastered on the bottom and around the pool, how many square meters will the cement area be?
(2) There are two identical columns supporting the ceiling in a hall. The height of the columns is 6 meters and the diameter of the base is 1 meter. If red paint is to be painted on the surface of the columns, how many square meters will the painted area be?
Improve questions
(1) The side view of a cylinder is a square. The height of the cylinder is 12.56 cm. What is the diameter of the base of the cylinder?
(2) A cylindrical piece of wood has a base area of 157 square centimeters. If it is cut into 2 equal parts, how many square centimeters will the surface area increase compared to the original?
(3) The base diameter of a cylinder is 12 centimeters and the surface area is 527.52 square centimeters. What is the height of the cylinder in centimeters?
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For more information about the "Surface Area of a Cylinder Cylinder and Cone" PPT courseware, please click the "Surface Area of a Cylinder ppt Cylinder and Cone ppt" tag.
"Surface Area of a Cylinder" PPT download:
"Surface Area of a Cylinder" PPT Download Part One: New Lesson Analysis A cylindrical iron bucket without a lid (as shown below). (1) How many square centimeters of iron sheet should be used to make this bucket? 3.143035=3297 (square centimeters) 3.14 (302)2=706.5..
"Surface Area of a Cylinder" PPT courseware:
"Surface Area of a Cylinder" PPT Courseware Part One: Collaborative Exploration There are countless heights of a cylinder, and the lengths of the heights are all equal. Cooperation and communication in a group of four people: ① What shape is there when the side of the cylinder is expanded along the height? ②Which does the length and width of the expanded figure correspond to that of the cylinder?
"Surface Area of a Cylinder" PPT:
"Surface Area of a Cylinder" PPT Part One Content: Teaching Objectives 1. Be able to flexibly use the calculation method of the surface area of a cylinder to solve some simple problems in life according to specific situations, so that students can feel the close connection between mathematics and life. 2. Through imagination and operation Waiting for life...
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Update Time: 2024-07-06
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