1. Geometry Top Doc Shape Perimeter Formula Area Formula Explanation
Square
S1+S2+S3+S4 or 4S
l * w
All sides are equal.
Rectangle
2l + 2w
or 2(l +w)
or l + l + w + w
2 pairs of equal opposite parallel sides.
Triangle
S1+S2+S3
A = 1/2bh
b=base
h=height
The base & height are perpendicular. 2 triangles placed together form a parallelogram.
Parallelogram
b*h
The base & height are perpendicular.
Circle
Circumference
2πr or πd
r=radius
d=diameter
πr2
π=3.14 or 22/7
Geometry
Top
Doc

2. Triangular Prism SA =2(1/2bh) + (a+b+c)h V=Bh B=1/2bh So V=(1/2bh)h
Shape
Surface Area
Volume=Bh
B=area of the base
Triangular Prism
2(area of base) + (perimeter of base)h
SA = 2B + Ph
SA =2(1/2bh) + (a+b+c)h
A triangular prism always has 2 triangular bases/faces and 3 rectangular faces.
V=Bh
B=1/2bh So
V=(1/2bh)h
1st h is the height of the triangle, 2nd h is the height of the prism
Rectangular Prism
2(lw) + (a+b+c+d)h
B=lw
V=lwh
Cylinder
2(area of base) + (area of the rounded rectangle)
SA = 2πr2 + 2πrh
B=πr2
V=πr2h
Square Pyramid
area of base + 4(area of other triangular faces)
SA= lw + 4(1/2bh)
V=1/3Bh
B=s2
V=1/3s2h
Cone
SA=πr2+πrl
l=slant height
V=1/3πr2h
Sphere
SA = 4πr2
V = 4/3πr3