Math Polygons Area, Volume, Perimeter Flashcards
(28 cards)
1
Q
Circle
A
P=2πr or πd
2
Q
Triangle
A
P=a+b+c
3
Q
Square
A
P=4a
4
Q
Rectangle
A
P=2(l+w)
5
Q
Parallelogram
A
P=2(a+b)
6
Q
Trapezium
A
P=a+b+c+d
7
Q
Regular Polygon (n sides)
A
P=n×s
8
Q
Circle
A
A=πr2
9
Q
Triangle
A
A=21×b×h
10
Q
Square
A
A=a2
11
Q
Rectangle
A
A=l×w
12
Q
Parallelogram
A
A=b×h
13
Q
Trapezium
A
A=21(a+b)×h
14
Q
Regular Polygon (n sides)
A
A=41ns2cot(nπ)
15
Q
Cube
A
SA=6a2
6 equal squares
16
Q
Cuboid
A
SA=2(lw+lh+wh)
6 rectangles
17
Q
Sphere
A
SA=4πr2
18
Q
Cylinder
A
SA=2πr(h+r)
2 circles + 1 rectangle
19
Q
Cone
A
SA=πr(l+r)
1 circle + 1 sector (curve)
20
Q
Pyramid
A
Depends on base shape
21
Q
Prism
A
Add up areas of faces (net)
22
Q
Cube
A
V=a3
23
Q
Cuboid
A
V=l×w×h
24
Q
Sphere
A
V=34πr3
25
Cylinder
V=πr2h
26
Cone
V=31πr2h
27
Pyramid
V=31×base area×h
28
Prism
V=base area×height
