Vocabulary
a kind of mathematics that deals with shapes and figures.
What is Geometry?
the line that joins corners or surfaces of a shape.
What is an Edge?
8 vertices
6 square faces
12 edges
What is a cube?
8 vertices
6 faces
12 edges
The base is a rectangle.
What is a rectangular prism?
can be defined as a flat figure or a shape that has two dimensions —length and width.
What is a 2D shape?
the name of any flat, enclosed figure with straight sides
polygon
0 vertices
2 faces
0 edges
The base is a circle.
What is a cylinder?
6 vertices
5 faces
9 edges
The base is a triangle.
What is a triangular prism?
can be defined as a solid figure or an object or shape that has three dimensions— length, width, and height.
What is a 3D shape?
the formula for finding the area of a triangle
base x height / 2
1 vertex
1 face
0 edges
The base is a circle.
What is a cone?
5 vertices
5 faces
8 edges
The base is a square.
What is a square pyramid?
When two points meet it is called?
Vertex
the trapezoid area formula
(B + B) x H / 2
0 vertices
0 faces
0 edges
What is a sphere?
4 vertices
4 faces
6 edges
The base is a triangle.
What is a triangular pyramid?
All flat areas on 2D or 3D shapes is called?
Faces
Give a definition of area
the amount of space inside a 2D figure
In your own words, define face
flat space on 3d figure
Find the area of a parallelogram with a height of 6 inches and a base of 11 inches.
66 square inches