"Three-dimensional Graphics" PPT

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"Three-dimensional Graphics" PPT

Part One: Knowledge Points

Knowledge point 1: Surface rotation forms a body

cuboid

Take one side of the rectangle as the axis and rotate it once

right triangle

Take a right-angled side as the axis and rotate it once

semicircle

Take the diameter of the semicircle as the axis and rotate it once

Knowledge point 2: Characteristics of cuboids and cubes and their relationship

Relationship: The cube is a special rectangular parallelepiped.

The meaning of length, width and height:

The lengths of the three edges that intersect at the same vertex are called the length, width, and height of the cuboid respectively.

Knowledge point 3: Observe objects

1. Observe objects from the six directions of up, down, left, right, front and back. In most cases, the shapes you see are different.

2. The size of the same object is different when observed at different points on the same horizontal straight line. It is larger near and smaller than far.

3. Observing objects at different positions on the same vertical line will see different ranges.

Three-dimensional graphics PPT, part 2: consolidation and application

1. What kind of spatial figure will be formed by rotating the parallel figure below with one of its sides as the axis? Connect with a line.

2. Which of the following figures are expansion diagrams of a cube? Think about it first and try again.

3. Observe the figure made of 4 cubes below and fill it in.

Keywords: Free download of Hebei Education Edition mathematics PPT courseware for sixth grade volume 2, three-dimensional graphics PPT download, .PPT format;

For more information about the "3D Figures" PPT courseware, please click on the 3D Figures ppt tab.

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Update Time: 2024-07-03

This template belongs to Mathematics courseware Hebei Education Edition Sixth Grade Mathematics Volume 2 industry PPT template

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