Geometry Formulas Flashcards
1
Q
Area for Rectangle
A
Lw
2
Q
Perimeter of Rectangle
A
2L + 2W
3
Q
Area of Triangle
A
1/2bh
4
Q
Area of Circle
A
π r2
5
Q
Circumference of Circle
A
2π r
or
π d
6
Q
Diameter of Circle
A
2π r
7
Q
Volume of Rectangular Box
A
Lwh
8
Q
Surface area of Rectangular Box
A
2Lh + 2wh + 2Lw
9
Q
Volume of a Sphere
A
4/3 π r3
10
Q
Surface are of Sphere
A
4π r2
11
Q
Volume of Cylinder
A
π r 2h
12
Q
Surface are of Cylinder
A
2π r2 + 2π rh
13
Q
Pythagorean Theorem
A
c2 = a2 + b2
14
Q
Distance Formula
A
d(P1,P2) = sqrt [(x2- x1)2 + (y2- y1)2]
15
Q
Midpoint Formula
A
M = (x,y) = { (x1+ x2/2 , y1+ y2/2) }
