Chapter 8- Area Flashcards
0
Q
Base
A
The length of the side the height is perpendicular to
1
Q
Height
A
The length of an altitude
2
Q
Rectangle area
A
A = bh
3
Q
Parallelogram area
A
A = bh
4
Q
Triangle area
A
A = 1/2bh
5
Q
Trapezoid area
A
A = 1/2 (b1 + b2) h
6
Q
Kite area
A
A = 1/2 (d1)(d2)
7
Q
Apothem of a regular polygon
A
A perpendicular segment from the center of a polygons circumscribed circle to a side of the polygon
8
Q
Area of a regular polygon formula
A
1/2asn
9
Q
The apothem of a square is
A
Half the side length
10
Q
Circle area
A
Formula derived by cutting the circle into wedges and arranging them into a rectangle
11
Q
Circle area formula
A
A= π r^2
12
Q
sector of a circle
A
the region between two radii and an arc of the circle
13
Q
Asector=
A
a
__ x π r^2
360
14
Q
Segment of a circle
A
the region between a chord and an arc of the circle
