MindMap Gallery Geometry Preliminary
Geometric Figures This preliminary mind map includes common plane lines, three-dimensional figures viewed from different directions, the components of figures, and common three-dimensional figures. Everyone is welcome to learn.
Edited at 2023-07-16 10:57:44This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about bacteria, and its main contents include: overview, morphology, types, structure, reproduction, distribution, application, and expansion. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about plant asexual reproduction, and its main contents include: concept, spore reproduction, vegetative reproduction, tissue culture, and buds. The summary is comprehensive and meticulous, suitable as review materials.
This is a mind map about the reproductive development of animals, and its main contents include: insects, frogs, birds, sexual reproduction, and asexual reproduction. The summary is comprehensive and meticulous, suitable as review materials.
Preliminary geometry
Expand and collapse
Geometry expansion
Surface expansion of cube
Surface expansion of prism
Surface expansion of a cylinder
Expanded view of the surface of a cone
fold
Fold a flat unfolded figure into a three-dimensional figure
common of flat graph line
straight line
Two points determine a straight line
Rays
line segment
nature
The shortest line segment between two points
midpoint
Comparative length
Metrics
Overlay method
horn
The concept and expression of angle
Angle size comparison
Metrics
1 degree = 60 minutes 1 minute = 60 seconds
Overlay method
bisector of angle
Supplementary angles and supplementary angles
remaining angle
<a and <d are complementary to each other: <a+<d=90 degrees
supplementary angle
<a and <d are complementary: <a+<d=180 degrees
direction angle and azimuth angle
from different directions See three-dimensional graphics
View from the front
Reflects the length and height of the geometry
View from the side
Reflects the width and height of the geometry
view from above
Reflects the length and width of the geometry
Graphic Components
point
Click to form a line
Wire
Lines move into surfaces
noodle
Facial moving body
Lines are obtained by intersecting surfaces. Points obtained by intersecting lines
Common Three-dimensional graphics
prism
cylinder
The upper and lower bases are circles and the side surfaces are curved surfaces
prism
All edges of a prism are equal in length
The upper and lower bases of a prism have the same shape
An n prism has (n 2) faces, 2n vertices, 3n edges
cone
cone
The base is a circle and the side is a curved surface
pyramid
The base is a polygon and the sides are triangles
ball
bounded by a curved surface