Math vocab 8 Flashcards
The set of all points in a plane that are the same distance from a given point called the center
Circle
The point from which all points on circle are the same distance
Center
The distance aroudn a circle
Circumference
The ratio at the circumference of a circle to its diameter. The Greek letter (pi) represents this number the value of pu us 3.1416926…
Pi
Half of a circle. Formula for this aera of a semicicrcle
Semicircle
Area of a circle
A=PI(R)2
A figure that is made up at of three or more three dimensional figures
Composite figure
In a polyhedron , a face that is not a base
Later face
A=bh
Aera of a rectangle
A=bh/2
Aera of. Atriangle
A quadrilateral with one pair of parallel sides
Trapezoid
A prism that has 2 parallel congruent bases that are rectangular
Rectangular prism
A prism that has 2 parallel congruent bases are tirangle
Triangular prism
A polyhedron with one base that is apolyhedron and three or more triangular face that meet at. A common vertex
Pyramid
Aera of a rectangular prism
A=2(W1+H1+HW)
The height of. Each lateral face
Slant height
A pyramid under base is a regular polygon and in which the segment from the vertex to the center of the base is the altitude
Regular pyramid
In a polyhedron, a fave that is not a base
Lateral area
A=bh
Area of rectangle
A=pi(r)2
Area of a circle
The distance arrays a circle through its center
Diameter
The distance from the center of a circle to any point on the circle
Radius