0Still learning
Know0
What do the and axes typically represent in a 3D Cartesian system?
In a 3D Cartesian system, the and axes typically represent lateral space (length and width).
What does the -axis typically represent in a 3D Cartesian system?
In a 3D Cartesian system, the -axis typically represents vertical height.
State the expression for the midpoint of two points, and in 3D.
The expression for the midpoint of two points, and in 3D is
This is given in your exam formula booklet.
Enjoying Flashcards?
Tell us what you think
What do the and axes typically represent in a 3D Cartesian system?
In a 3D Cartesian system, the and axes typically represent lateral space (length and width).
What does the -axis typically represent in a 3D Cartesian system?
In a 3D Cartesian system, the -axis typically represents vertical height.
State the expression for the midpoint of two points, and in 3D.
The expression for the midpoint of two points, and in 3D is
This is given in your exam formula booklet.
What is the formula for finding the distance between two points and in 3D?
The distance between two points is calculated using the formula,
Where:
is the distance between two points
is the set of coordinates for a known point
is the set of coordinates for another known point
This is given in your exam formula booklet.
Define the term prism.
A prism is a 3D shape with a constant cross-section.
It has two identical base shapes connected by parallel edges.
State the formula for the volume of a prism.
The formula for the volume of a prism is
Where:
is the volume of the prism
is the area of the cross-section
is the height of the prism
This is given in your exam formula booklet.
What is the formula for the volume of a cuboid?
The formula for the volume of a cuboid is
Where:
is the volume of the cuboid
is the length of the cuboid
is the width of the cuboid
is the height of the cuboid
This is given in your exam formula booklet.
What is the formula for the volume of a cylinder?
The formula for the volume of a cylinder is
Where:
is the volume of the cylinder
is the radius of the circular base of the cylinder
is the height of the cylinder
This is given in your exam formula booklet.
Define the term right pyramid.
A right pyramid is a pyramid where the apex is vertically above the centre of the base.
Define the term right cone.
A right cone is a cone where the apex is vertically above the centre of the base.
True or False?
The slant height of a cone is the same as its vertical height.
False.
The slant height of a cone is not the same as its vertical height.
The slant height, , of a cone is the hypotenuse of the right triangle formed by the radius, vertical height and slant height of the cone.
What is the formula for the volume of a right cone?
The formula for the volume of a right cone is
Where:
is the volume of the cone
is the radius of the circular base of the cone
is the vertical (perpendicular) height of the cone
This is given in your exam formula booklet.
What is the formula for the volume of a right pyramid?
The formula for the volume of a right pyramid is
Where:
is the volume of the pyramid
is the area of the base of the pyramid
is the vertical (perpendicular) height of the pyramid
This is given in your exam formula booklet.
What is the formula for the volume of a sphere?
The formula for the volume of a sphere is
Where:
is the volume of the sphere
is the radius of the sphere
This is given in your exam formula booklet.
What is the formula for the curved surface area of a cylinder?
The formula for the curved surface area of a cylinder is
Where:
is the curved surface area of the cylinder
is the radius of the cylinder
is the height of the cylinder
This is given in your exam formula booklet.
How is the formula for the total surface area of a cylinder different to the formula for the curved surface area?
The formula for the total surface area of a cylinder is different to the formula for the curved surface area as it includes the two end circular faces.
State the formula for the total surface area of a cone.
The formula for the total surface area of a cone is
Where:
is the total surface area of the cone
is the radius of the circular base of the cone
is the slant height of the cone
This is not given in the exam formula booklet, however the curved surface area of a cone () and the area of a circle () are.
What is the formula for the surface area of a sphere?
The formula for the surface area of a sphere is
Where:
is the surface area of the sphere
is the radius of the sphere
This is given in your exam formula booklet.
True or False?
The surface area of prisms and pyramids with polygon bases is found by adding up the areas of flat faces only.
True.
The surface area of prisms and pyramids with polygon bases is found by adding up the areas of flat faces only.